55784...00001 (68-digits)

This number is a prime.

55784440 7209685138 1336800253 3861454979 5481767716 1574408556 0000000001

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A prime expressed as the product of the first dozen prime primorials plus 1. Note that is has prime digital sum. [Patterson]

Submitted: 2004-02-20 15:16:22; Last Modified: 2008-01-30 17:28:00.