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Inverse modulo p 
File ID: 65093






Inverse modulo p 
Download Inverse modulo p http://code.activestate.com/recipes/500268-all-k-subsets-from-an-n-set/?in=lang-pythonReport Error Link
License: Freeware
Downloads: 47
Submit Rating:
Inverse modulo p  Description
Description: Very rarely it is necessary to find the multiplicative inverse of a number in the ring of integers modulo p. Thie recipe handles those rare cases. That is, given x, an integer, and p the modulus, we seek a integer x^-1 such that x * x^-1 = 1 mod p. For example 38 is the inverse of 8 modulo 101 since 38 * 8 = 304 = 1 mod 101. The inverse only exists when a and p are relatively prime.

License: Freeware

Related: Mod, modulo, Number, Prime, theory

O/S:Windows

Downloads: 47



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