61
This number is a prime.
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61 divides 67 * 71 + 1. Honaker's Problem asks if there are three larger consecutive primes p < q < r such that p|qr + 1.
Submitted: 1999-09-02 23:40:00; Last Modified: 2023-02-28 15:28:43.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell