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How many different primes appear in the prime factorization of 20! + 25! ?

 Jul 7, 2022
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20! + 25! ==1.551121247623299416064e+25 = 2^18 * 3^8 * 5^4 * 7^2 * 11 * 13 * 17 * 19 * 73 * 87337

 

There are 10 DISTINCT primes

 Jul 7, 2022

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