Prime Curios!: 3215031751

3215031751
(another Prime Pages' Curiosity)

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The strong k-pseudoprime test for k = 2, 3, 5, 7, correctly identifies all primes below 2.5 x 10^10 with only one exception, i.e., 3215031751 = 151*751*28351. [Rivera]

Submitted: 2004-06-25 16:42:41; Last Modified: 2008-01-30 11:28:00.