myfactor
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]
Cite As
John T. McCarthy (2024). myfactor (https://www.mathworks.com/matlabcentral/fileexchange/20059-myfactor), MATLAB Central File Exchange. Retrieved .
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- MATLAB > Mathematics > Elementary Math >
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Version | Published | Release Notes | |
---|---|---|---|
1.0.0.0 | Attempt to improve presentation, following John D'Errico's review. |