myfactor

版本 1.0.0.0 (2.2 KB) 作者: John T. McCarthy
This function finds the factors of very large numbers (up to 10^14)
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更新时间 2008/5/29

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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]

引用格式

John T. McCarthy (2025). myfactor (https://www.mathworks.com/matlabcentral/fileexchange/20059-myfactor), MATLAB Central File Exchange. 检索时间: .

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版本 已发布 发行说明
1.0.0.0

Attempt to improve presentation, following John D'Errico's review.