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Square form factorization: Difference between revisions
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at [https://en.wikipedia.org/wiki/Shanks%27s_square_forms_factorization Shanks' square forms factorization].
The only "failure" of this REXX version of Shanks' square forms factorization
within the
<br>REXX program) is because the number being tested is a prime (1,002,742,628,021).
<lang rexx>/*REXX pgm factors an integer using Daniel Shanks' (1917-1996) square form factorization*/
numeric digits 100 /*ensure enough decimal digits.*/
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