76912895956636885
This number is a composite.
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On September 16, 1998, Tony Forbes found the 1004-digit prime quadruplets:
76912895956636885 * (23279 - 21093) - 6 * 21093 {-7, -5, -1, +1}.
This is the first known titanic quadruple.
Submitted: 2000-01-15 22:36:50; Last Modified: 2008-07-01 01:11:18.
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