18115...04261 (2152-digits)

This number is a prime.

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381094887*5011#/35-1 is a titanic twin and Sophie Germain prime, since 381094887*5011#/35+1 and 2*381094887*5011#/35-1 are prime. [Rosenthal and Jobling]

Submitted: 2002-06-15 22:06:07; Last Modified: 2008-07-01 20:07:47.