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Old 2020-05-14, 02:07   #13
a1call
 
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"Rashid Naimi"
Oct 2015
Remote to Here/There

23·3·79 Posts
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Look at the link in post number 6. It's a program that you can download for free and set up. It's a calculator which can calculate any number you give it instantly. You don't need to write your own program. There is no theoretical limit on how big a number you can give it. The only limitation is your computer's memory. Regardless you can instantly calculate numbers with millions of digit. Proving then prime can take very long time. Days, months, years....
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