myfactor
バージョン 1.0.0.0 (2.24 KB) 作成者:
John T. McCarthy
This function finds the factors of very large numbers (up to 10^14)
To find the prime factors of any number up to 2^32 (about 4.3*10^9), you can use MATLAB's built-in function factor.m
For integers greater than 2^32, try this program, which guarantees a result up to 10^14, thus extending the domain of inputs 23,000-fold.
(This file is an adaptation of MATLAB's function primes.m)
Example:
myfactor(2^32+1)
ans = [1 641 6700417]
引用
John T. McCarthy (2024). myfactor (https://www.mathworks.com/matlabcentral/fileexchange/20059-myfactor), MATLAB Central File Exchange. 取得済み .
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R2006a
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1.0.0.0 | Attempt to improve presentation, following John D'Errico's review. |