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Sequence of primes by trial division: Difference between revisions
Sequence of primes by trial division (view source)
Revision as of 16:06, 25 February 2015
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</pre>
=={{header|ERRE}}==
<lang ERRE>
PROGRAM PRIME_GENERATOR
!$DOUBLE
BEGIN
PRINT(CHR$(12);) !CLS
N=1
LOOP
N+=1
FOR F=2 TO N DO
IF F=N THEN PRINT(N;) EXIT END IF
EXIT IF N=F*INT(N/F)
END FOR
END LOOP
END PROGRAM
</lang>
You must press Ctrl+Break to stop the program.
{{out}}
<pre> 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 1009 1013 1019 1021 1031 1033 1039 1049 1051 1061
1063 1069 1087 1091 1093 1097 1103 1109 1117 1123 1129 1151 1153
1163 1171 1181 1187 1193 1201 1213 1217 1223 1229 1231 1237 1249
1259 1277 1279 1283 1289 1291 1297 1301 1303 1307 1319 1321 1327
1361 1367 1373 1381 1399 1409 1423 1427 1429 1433 1439 1447 1451
1453 1459 1471 1481 1483 1487 1489 1493 1499 1511 1523 1531 1543
1549 1553 1559 1567 1571 1579 1583 1597 1601 ^C
</pre>
=={{header|Go}}==
An unbounded cascading filtering method using channels, adapted from the classic concurrent prime sieve example in the "Try Go" window at http://golang.org/, improved by postponing the initiation of the filtering by a prime until the prime's square is seen in the input.
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