127

This number is a prime.

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The smallest of only two primes less than a googol of form 5^x+2, where x is a prime (case x=3). The largest such prime less than a googol is for x=17. [Loungrides]

Submitted: 2011-05-15 06:29:13;   Last Modified: 2020-05-30 13:12:04.
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