20325153628489

This number is a prime.

2032 5153628489

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This prime is the sequence of all two digit numbers 'ab' (20, 32, 51, 53, 62, 84 and 89) such that 10*'ab'+'d' is composite for any value of the digit 'd'. [Gallardo]

Submitted: 2004-10-07 19:20:32; Last Modified: 2008-01-30 17:28:00.