How can I solve 20 digit number factorization ? Problem link Can anyone explain,please?
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first notice than u can use long long becouse 20 digit is < 1e19. than u need to use some fast method of factorization .U can read about some method there https://en.wikipedia.org/wiki/Integer_factorization i think dixon's factorization method will be enough https://en.wikipedia.org/wiki/Dixon%27s_factorization_method