Python Implementation of Problem 97

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Problem Solution

 1"""
 2Project Euler Problem 97
 3
 4This one ended up being fairly easy to run, since Python integers can be an
 5arbitrary size
 6
 7Problem:
 8
 9The first known prime found to exceed one million digits was discovered in
101999, and is a Mersenne prime of the form 26972593−1; it contains exactly
112,098,960 digits. Subsequently other Mersenne primes, of the form 2p−1, have
12been found which contain more digits.
13
14However, in 2004 there was found a massive non-Mersenne prime which contains
152,357,207 digits: 28433×27830457+1.
16
17Find the last ten digits of this prime number.
18"""
19
20
21def main() -> int:
22    return ((28433 << 7830457) + 1) % 10**10

Tags: prime-number, large-numbers