39305...04833 (45-digits)

This number is a prime.

39305 0634124102 2328695670 3455542737 1542904833

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The second Cullen prime: 141 * 2¹⁴¹ + 1. A Cullen prime of the form p*2^p+1, where p is prime, has never been found.

Submitted: 2006-09-27 20:31:45; Last Modified: 2008-08-01 12:48:36.