1000以内的合数

1000以内的质数有如下这些，去掉这些质数，余下的就是和数 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113 127 131 137 139 149 151 157 163 167 173 179 181 191 193 197 199 211 223 227 229 233 239 241 251 257 263 269 271 277 281 283 293 307 311 313 317 331 337 347 349 353 359 367 373 379 383 389 397 401 409 419 421 431 433 439 443 449 457 461 463 467 479 487 491 499 503 509 521 523 541 547 557 563 569 571 577 587 593 599 601 607 613 617 619 631 641 643 647 653 659 661 673 677 683 691 701 709 719 727 733 739 743 751 757 761 769 773 787 797 809 811 821 823 827 829 839 853 857 859 863 877 881 883 887 907 911 919 929 937 941 947 953 967 971 977 983 991 997

2是质数。不是合数。

拓展：2500以内合数：
4,6,8,9,10,12,14,15,16,18,20,21,22,24,25,26,27,28,30,32,33,34,35,36,38,39,40,42,44,45,46,48,49,50,51,52,54,55,56,57,58,60,62,63,64,65,66,68,69,70,72,74,75,76,77,78,80,81,82,84,85,86,87,88,90,91,92,93,94,95,96,98,99,100,102,104,105,106,108,110,111,112,114,115,116,117,118,119,120,121,122,123,124,125,126,128,129,130,132,133,134,135,136,138,140,141,142,143,144,145,146,147,148,150,152,153,154,155,156,158,159,160,161,162,164,165,166,168,169,170,171,172,174,175,176,177,178,180,182,183,184,185,186,187,188,189,190,192,194,195,196,198,200,201,202,203,204,205,206,207,208,209,210,212,213,214,215,216,217,218,219,220,221,222,224,225,226,228,230,231,232,234,235,236,237,238,240,242,243,244,245,246,247,248,249,250,252,253,254,255,256,258,259,260,261,262,264,265,266,267,268,270,272,273,274,275,276,278,279,280,282,284,285,286,287,288,289,290,291,292,294,295,296,297,298,299,300,301,302,303,304,305,306,308,309,310,312,314,315,316,318,319,320,321,322,323,324,325,326,327,328,329,330,332,333,334,335,336,338,339,340,341,342,343,344,345,346,348,350,351,352,354,355,356,357,358,360,361,362,363,364,365,366,368,369,370,371,372,374,375,376,377,378,380,381,382,384,385,386,387,388,390,391,392,393,394,395,396,398,399,400,402,403,404,405,406,407,408,410,411,412,413,414,415,416,417,418,420,422,423,424,425,426,427,428,429,430,432,434,435,436,437,438,440,441,442,444,445,446,447,448,450,451,452,453,454,455,456,458,459,460,462,464,465,466,468,469,470,471,472,473,474,475,476,477,478,480,481,482,483,484,485,486,488,489,490,492,493,494,495,496,497,498,500,501,502,504,505,506,507,508,510,511,512,513,514,515,516,517,518,519,520,522,524,525,526,527,528,529,530,531,532,533,534,535,536,537,538,539,540,542,543,544,545,546,548,549,550,551,552,553,554,555,556,558,559,560,561,562,564,565,566,567,568,570,572,573,574,575,576,578,579,580,581,582,583,584,585,586,588,589,590,591,592,594,595,596,597,598,600,602,603,604,605,606,608,609,610,611,612,614,615,616,618,620,621,622,623,624,625,626,627,628,629,630,632,633,634,635,636,637,638,639,640,642,644,645,646,648,649,650,651,652,654,655,656,657,658,660,662,663,664,665,666,667,668,669,670,671,672,674,675,676,678,679,680,681,682,684,685,686,687,688,689,690,692,693,694,695,696,697,698,699,700,702,703,704,705,706,707,708,710,711,712,713,714,715,716,717,718,720,721,722,723,724,725,726,728,729,730,731,732,734,735,736,737,738,740,741,742,744,745,746,747,748,749,750,752,753,754,755,756,758,759,760,762,763,764,765,766,767,768,770,771,772,774,775,776,777,778,779,780,781,782,783,784,785,786,788,789,790,791,792,793,794,795,796,798,799,800,801,802,803,804,805,806,807,808,810,812,813,814,815,816,817,818,819,820,822,824,825,826,828,830,831,832,833,834,835,836,837,838,840,841,842,843,844,845,846,847,848,849,850,851,852,854,855,856,858,860,861,862,864,865,866,867,868,869,870,871,872,873,874,875,876,878,879,880,882,884,885,886,888,889,890,891,892,893,894,895,896,897,898,899,900,901,902,903,904,905,906,908,909,910,912,913,914,915,916,917,918,920,921,922,923,924,925,926,927,928,930,931,932,933,934,935,936,938,939,940,942,943,944,945,946,948,949,950,951,952,954,955,956,957,958,959,960,961,962,963,964,965,966,968,969,970,972,973,974,975,976,978,979,980,981,982,984,985,986,987,988,989,990,992,993,994,995,996,998,999
（合计：830个）
1000,1001,1002,1003,1004,1005,1006,1007,1008,1010,1011,1012,1014,1015,1016,1017,1018,1020,1022,1023,1024,1025,1026,1027,1028,1029,1030,1032,1034,1035,1036,1037,1038,1040,1041,1042,1043,1044,1045,1046,1047,1048,1050,1052,1053,1054,1055,1056,1057,1058,1059,1060,1062,1064,1065,1066,1067,1068,1070,1071,1072,1073,1074,1075,1076,1077,1078,1079,1080,1081,1082,1083,1084,1085,1086,1088,1089,1090,1092,1094,1095,1096,1098,1099,1100,1101,1102,1104,1105,1106,1107,1108,1110,1111,1112,1113,1114,1115,1116,1118,1119,1120,1121,1122,1124,1125,1126,1127,1128,1130,1131,1132,1133,1134,1135,1136,1137,1138,1139,1140,1141,1142,1143,1144,1145,1146,1147,1148,1149,1150,1152,1154,1155,1156,1157,1158,1159,1160,1161,1162,1164,1165,1166,1167,1168,1169,1170,1172,1173,1174,1175,1176,1177,1178,1179,1180,1182,1183,1184,1185,1186,1188,1189,1190,1191,1192,1194,1195,1196,1197,1198,1199,1200,1202,1203,1204,1205,1206,1207,1208,1209,1210,1211,1212,1214,1215,1216,1218,1219,1220,1221,1222,1224,1225,1226,1227,1228,1230,1232,1233,1234,1235,1236,1238,1239,1240,1241,1242,1243,1244,1245,1246,1247,1248,1250,1251,1252,1253,1254,1255,1256,1257,1258,1260,1261,1262,1263,1264,1265,1266,1267,1268,1269,1270,1271,1272,1273,1274,1275,1276,1278,1280,1281,1282,1284,1285,1286,1287,1288,1290,1292,1293,1294,1295,1296,1298,1299,1300,1302,1304,1305,1306,1308,1309,1310,1311,1312,1313,1314,1315,1316,1317,1318,1320,1322,1323,1324,1325,1326,1328,1329,1330,1331,1332,1333,1334,1335,1336,1337,1338,1339,1340,1341,1342,1343,1344,1345,1346,1347,1348,1349,1350,1351,1352,1353,1354,1355,1356,1357,1358,1359,1360,1362,1363,1364,1365,1366,1368,1369,1370,1371,1372,1374,1375,1376,1377,1378,1379,1380,1382,1383,1384,1385,1386,1387,1388,1389,1390,1391,1392,1393,1394,1395,1396,1397,1398,1400,1401,1402,1403,1404,1405,1406,1407,1408,1410,1411,1412,1413,1414,1415,1416,1417,1418,1419,1420,1421,1422,1424,1425,1426,1428,1430,1431,1432,1434,1435,1436,1437,1438,1440,1441,1442,1443,1444,1445,1446,1448,1449,1450,1452,1454,1455,1456,1457,1458,1460,1461,1462,1463,1464,1465,1466,1467,1468,1469,1470,1472,1473,1474,1475,1476,1477,1478,1479,1480,1482,1484,1485,1486,1488,1490,1491,1492,1494,1495,1496,1497,1498,1500,1501,1502,1503,1504,1505,1506,1507,1508,1509,1510,1512,1513,1514,1515,1516,1517,1518,1519,1520,1521,1522,1524,1525,1526,1527,1528,1529,1530,1532,1533,1534,1535,1536,1537,1538,1539,1540,1541,1542,1544,1545,1546,1547,1548,1550,1551,1552,1554,1555,1556,1557,1558,1560,1561,1562,1563,1564,1565,1566,1568,1569,1570,1572,1573,1574,1575,1576,1577,1578,1580,1581,1582,1584,1585,1586,1587,1588,1589,1590,1591,1592,1593,1594,1595,1596,1598,1599,1600,1602,1603,1604,1605,1606,1608,1610,1611,1612,1614,1615,1616,1617,1618,1620,1622,1623,1624,1625,1626,1628,1629,1630,1631,1632,1633,1634,1635,1636,1638,1639,1640,1641,1642,1643,1644,1645,1646,1647,1648,1649,1650,1651,1652,1653,1654,1655,1656,1658,1659,1660,1661,1662,1664,1665,1666,1668,1670,1671,1672,1673,1674,1675,1676,1677,1678,1679,1680,1681,1682,1683,1684,1685,1686,1687,1688,1689,1690,1691,1692,1694,1695,1696,1698,1700,1701,1702,1703,1704,1705,1706,1707,1708,1710,1711,1712,1713,1714,1715,1716,1717,1718,1719,1720,1722,1724,1725,1726,1727,1728,1729,1730,1731,1732,1734,1735,1736,1737,1738,1739,1740,1742,1743,1744,1745,1746,1748,1749,1750,1751,1752,1754,1755,1756,1757,1758,1760,1761,1762,1763,1764,1765,1766,1767,1768,1769,1770,1771,1772,1773,1774,1775,1776,1778,1779,1780,1781,1782,1784,1785,1786,1788,1790,1791,1792,1793,1794,1795,1796,1797,1798,1799,1800,1802,1803,1804,1805,1806,1807,1808,1809,1810,1812,1813,1814,1815,1816,1817,1818,1819,1820,1821,1822,1824,1825,1826,1827,1828,1829,1830,1832,1833,1834,1835,1836,1837,1838,1839,1840,1841,1842,1843,1844,1845,1846,1848,1849,1850,1851,1852,1853,1854,1855,1856,1857,1858,1859,1860,1862,1863,1864,1865,1866,1868,1869,1870,1872,1874,1875,1876,1878,1880,1881,1882,1883,1884,1885,1886,1887,1888,1890,1891,1892,1893,1894,1895,1896,1897,1898,1899,1900,1902,1903,1904,1905,1906,1908,1909,1910,1911,1912,1914,1915,1916,1917,1918,1919,1920,1921,1922,1923,1924,1925,1926,1927,1928,1929,1930,1932,1934,1935,1936,1937,1938,1939,1940,1941,1942,1943,1944,1945,1946,1947,1948,1950,1952,1953,1954,1955,1956,1957,1958,1959,1960,1961,1962,1963,1964,1965,1966,1967,1968,1969,1970,1971,1972,1974,1975,1976,1977,1978,1980,1981,1982,1983,1984,1985,1986,1988,1989,1990,1991,1992,1994,1995,1996,1998,2000,2001,2002,2004,2005,2006,2007,2008,2009,2010,2012,2013,2014,2015,2016,2018,2019,2020,2021,2022,2023,2024,2025,2026,2028,2030,2031,2032,2033,2034,2035,2036,2037,2038,2040,2041,2042,2043,2044,2045,2046,2047,2048,2049,2050,2051,2052,2054,2055,2056,2057,2058,2059,2060,2061,2062,2064,2065,2066,2067,2068,2070,2071,2072,2073,2074,2075,2076,2077,2078,2079,2080,2082,2084,2085,2086,2088,2090,2091,2092,2093,2094,2095,2096,2097,2098,2100,2101,2102,2103,2104,2105,2106,2107,2108,2109,2110,2112,2114,2115,2116,2117,2118,2119,2120,2121,2122,2123,2124,2125,2126,2127,2128,2130,2132,2133,2134,2135,2136,2138,2139,2140,2142,2144,2145,2146,2147,2148,2149,2150,2151,2152,2154,2155,2156,2157,2158,2159,2160,2162,2163,2164,2165,2166,2167,2168,2169,2170,2171,2172,2173,2174,2175,2176,2177,2178,2180,2181,2182,2183,2184,2185,2186,2187,2188,2189,2190,2191,2192,2193,2194,2195,2196,2197,2198,2199,2200,2201,2202,2204,2205,2206,2208,2209,2210,2211,2212,2214,2215,2216,2217,2218,2219,2220,2222,2223,2224,2225,2226,2227,2228,2229,2230,2231,2232,2233,2234,2235,2236,2238,2240,2241,2242,2244,2245,2246,2247,2248,2249,2250,2252,2253,2254,2255,2256,2257,2258,2259,2260,2261,2262,2263,2264,2265,2266,2268,2270,2271,2272,2274,2275,2276,2277,2278,2279,2280,2282,2283,2284,2285,2286,2288,2289,2290,2291,2292,2294,2295,2296,2298,2299,2300,2301,2302,2303,2304,2305,2306,2307,2308,2310,2312,2313,2314,2315,2316,2317,2318,2319,2320,2321,2322,2323,2324,2325,2326,2327,2328,2329,2330,2331,2332,2334,2335,2336,2337,2338,2340,2342,2343,2344,2345,2346,2348,2349,2350,2352,2353,2354,2355,2356,2358,2359,2360,2361,2362,2363,2364,2365,2366,2367,2368,2369,2370,2372,2373,2374,2375,2376,2378,2379,2380,2382,2384,2385,2386,2387,2388,2390,2391,2392,2394,2395,2396,2397,2398,2400,2401,2402,2403,2404,2405,2406,2407,2408,2409,2410,2412,2413,2414,2415,2416,2418,2419,2420,2421,2422,2424,2425,2426,2427,2428,2429,2430,2431,2432,2433,2434,2435,2436,2438,2439,2440,2442,2443,2444,2445,2446,2448,2449,2450,2451,2452,2453,2454,2455,2456,2457,2458,2460,2461,2462,2463,2464,2465,2466,2468,2469,2470,2471,2472,2474,2475,2476,2478,2479,2480,2481,2482,2483,2484,2485,2486,2487,2488,2489,2490,2491,2492,2493,2494,2495,2496,2497,2498,2499
合计：2131个