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# 777777722155555333

This number is a prime.

77777772 2155555333

Single Curio View: (Seek other curios for this number)

The largest prime with each noncomposite digit *d*repeated

*d*times. Note that replacing digit 1 by 5 forms the largest prime (777777722555555333) with each prime digit

*d'*repeated a number of times closest to and at least equal to

*d'*. [Beedassy]

Submitted: 2010-01-09 07:45:03; Last Modified: 2010-01-09 07:54:08.

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