Prime Number Check

This is a fast easy way to check a number to see if it is, in fact, prime. Accurate to numbers as up to 10 Billion

  • Check an integer for prime
  • Check a number set for a nested prime number of any length up to 10,968,163,441.
This would be useful for solving the famous google billboard math problem.

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Enter any integer to check for prime.
ie: 2,231
Or enter the haystack (float or int) and the needle length (int) separated by a space.
ei: 3.14159265358979323846264338327950288419716939937510582097494459230781640628620899862803482534211706798214808651328230 10
 This would be useful for solving the famous google billboard math problem.
Related link: 2,000,000 digits of e
this page's shortlink: http://lnfx.us/1BD





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