Odd squarefree semiprimes: Difference between revisions
add FreeBASIC
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</pre>
=={{header|BASIC}}==
==={{header|FreeBASIC}}===
Use the function from [[Primality by trial division#FreeBASIC]] as an include. This code generates the odd squarefree semiprimes in ascending order of their first factor, then their second.
<lang>#include "isprime.bas"
dim as integer p, q
for p = 3 to 999
if not isprime(p) then continue for
for q = p+1 to 1000\p
if not isprime(q) then continue for
print p*q;" ";
next q
next p</lang>
{{out}}<pre> 15 21 33 39 51 57 69 87 93 111 123 129 141 159 177 183 201 213 219 237 249 267 291 303 309 321 327 339 381 393 411 417 447 453 471 489 501 519 537 543 573 579 591 597 633 669 681 687 699 717 723 753 771 789 807 813 831 843 849 879 921 933 939 951 993 35 55 65 85 95 115 145 155 185 205 215 235 265 295 305 335 355 365 395 415 445 485 505 515 535 545 565 635 655 685 695 745 755 785 815 835 865 895 905 955 965 985 995 77 91 119 133 161 203 217 259 287 301 329 371 413 427 469 497 511 553 581 623 679 707 721 749 763 791 889 917 959 973 143 187 209 253 319 341 407 451 473 517 583 649 671 737 781 803 869 913 979 221 247 299 377 403 481 533 559 611 689 767 793 871 923 949 323 391 493 527 629 697 731 799 901 437 551 589 703 779 817 893 667 713 851 943 989 899</lang>
=={{header|C#|CSharp}}==
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