素数とは
素数は1を除く自身の数以外では割り切れない数のこと。1より大きい自然数になる。
素数の一覧表（250個まで掲載）
| No | 素数 |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 13 |
| 7 | 17 |
| 8 | 19 |
| 9 | 23 |
| 10 | 29 |
| 11 | 31 |
| 12 | 37 |
| 13 | 41 |
| 14 | 43 |
| 15 | 47 |
| 16 | 53 |
| 17 | 59 |
| 18 | 61 |
| 19 | 67 |
| 20 | 71 |
| 21 | 73 |
| 22 | 79 |
| 23 | 83 |
| 24 | 89 |
| 25 | 97 |
| 26 | 101 |
| 27 | 103 |
| 28 | 107 |
| 29 | 109 |
| 30 | 113 |
| 31 | 127 |
| 32 | 131 |
| 33 | 137 |
| 34 | 139 |
| 35 | 149 |
| 36 | 151 |
| 37 | 157 |
| 38 | 163 |
| 39 | 167 |
| 40 | 173 |
| 41 | 179 |
| 42 | 181 |
| 43 | 191 |
| 44 | 193 |
| 45 | 197 |
| 46 | 199 |
| 47 | 211 |
| 48 | 223 |
| 49 | 227 |
| 50 | 229 |
| 51 | 233 |
| 52 | 239 |
| 53 | 241 |
| 54 | 251 |
| 55 | 257 |
| 56 | 263 |
| 57 | 269 |
| 58 | 271 |
| 59 | 277 |
| 60 | 281 |
| 61 | 283 |
| 62 | 293 |
| 63 | 307 |
| 64 | 311 |
| 65 | 313 |
| 66 | 317 |
| 67 | 331 |
| 68 | 337 |
| 69 | 347 |
| 70 | 349 |
| 71 | 353 |
| 72 | 359 |
| 73 | 367 |
| 74 | 373 |
| 75 | 379 |
| 76 | 383 |
| 77 | 389 |
| 78 | 397 |
| 79 | 401 |
| 80 | 409 |
| 81 | 419 |
| 82 | 421 |
| 83 | 431 |
| 84 | 433 |
| 85 | 439 |
| 86 | 443 |
| 87 | 449 |
| 88 | 457 |
| 89 | 461 |
| 90 | 463 |
| 91 | 467 |
| 92 | 479 |
| 93 | 487 |
| 94 | 491 |
| 95 | 499 |
| 96 | 503 |
| 97 | 509 |
| 98 | 521 |
| 99 | 523 |
| 100 | 541 |
| 101 | 547 |
| 102 | 557 |
| 103 | 563 |
| 104 | 569 |
| 105 | 571 |
| 106 | 577 |
| 107 | 587 |
| 108 | 593 |
| 109 | 599 |
| 110 | 601 |
| 111 | 607 |
| 112 | 613 |
| 113 | 617 |
| 114 | 619 |
| 115 | 631 |
| 116 | 641 |
| 117 | 643 |
| 118 | 647 |
| 119 | 653 |
| 120 | 659 |
| 121 | 661 |
| 122 | 673 |
| 123 | 677 |
| 124 | 683 |
| 125 | 691 |
| 126 | 701 |
| 127 | 709 |
| 128 | 719 |
| 129 | 727 |
| 130 | 733 |
| 131 | 739 |
| 132 | 743 |
| 133 | 751 |
| 134 | 757 |
| 135 | 761 |
| 136 | 769 |
| 137 | 773 |
| 138 | 787 |
| 139 | 797 |
| 140 | 809 |
| 141 | 811 |
| 142 | 821 |
| 143 | 823 |
| 144 | 827 |
| 145 | 829 |
| 146 | 839 |
| 147 | 853 |
| 148 | 857 |
| 149 | 859 |
| 150 | 863 |
| 151 | 877 |
| 152 | 881 |
| 153 | 883 |
| 154 | 887 |
| 155 | 907 |
| 156 | 911 |
| 157 | 919 |
| 158 | 929 |
| 159 | 937 |
| 160 | 941 |
| 161 | 947 |
| 162 | 953 |
| 163 | 967 |
| 164 | 971 |
| 165 | 977 |
| 166 | 983 |
| 167 | 991 |
| 168 | 997 |
| 169 | 1009 |
| 170 | 1013 |
| 171 | 1019 |
| 172 | 1021 |
| 173 | 1031 |
| 174 | 1033 |
| 175 | 1039 |
| 176 | 1049 |
| 177 | 1051 |
| 178 | 1061 |
| 179 | 1063 |
| 180 | 1069 |
| 181 | 1087 |
| 182 | 1091 |
| 183 | 1093 |
| 184 | 1097 |
| 185 | 1103 |
| 186 | 1109 |
| 187 | 1117 |
| 188 | 1123 |
| 189 | 1129 |
| 190 | 1151 |
| 191 | 1153 |
| 192 | 1163 |
| 193 | 1171 |
| 194 | 1181 |
| 195 | 1187 |
| 196 | 1193 |
| 197 | 1201 |
| 198 | 1213 |
| 199 | 1217 |
| 200 | 1223 |
| 201 | 1229 |
| 202 | 1231 |
| 203 | 1237 |
| 204 | 1249 |
| 205 | 1259 |
| 206 | 1277 |
| 207 | 1279 |
| 208 | 1283 |
| 209 | 1289 |
| 210 | 1291 |
| 211 | 1297 |
| 212 | 1301 |
| 213 | 1303 |
| 214 | 1307 |
| 215 | 1319 |
| 216 | 1321 |
| 217 | 1327 |
| 218 | 1361 |
| 219 | 1367 |
| 220 | 1373 |
| 221 | 1381 |
| 222 | 1399 |
| 223 | 1409 |
| 224 | 1423 |
| 225 | 1427 |
| 226 | 1429 |
| 227 | 1433 |
| 228 | 1439 |
| 229 | 1447 |
| 230 | 1451 |
| 231 | 1453 |
| 232 | 1459 |
| 233 | 1471 |
| 234 | 1481 |
| 235 | 1483 |
| 236 | 1487 |
| 237 | 1489 |
| 238 | 1493 |
| 239 | 1499 |
| 240 | 1511 |
| 241 | 1523 |
| 242 | 1531 |
| 243 | 1543 |
| 244 | 1549 |
| 245 | 1553 |
| 246 | 1559 |
| 247 | 1567 |
| 248 | 1571 |
| 249 | 1579 |
| 250 | 1583 |