82171

This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The first prime that is equal to the sum of three consecutive primes ending in 7, i.e., 27367, 27397, 27407. Note that a concatenation of these primes, i.e., 274072736727397, is also prime. [Loungrides]

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