53
This number is a prime.
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The prime digits of the prime number 53 come in handy on the front cover of
"NUMBER5 ARE FOR3VER: Mathematical Facts and Curiosities" by Liz Strachan.
Submitted: 2019-01-06 02:20:21; Last Modified: 2019-01-06 02:29:53.
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell