12200...00221 (149-digits)

This number is a prime.

                                                                   122000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000221

Single Curio View:   (Seek other curios for this number)
122*10^146+221 is prime. Note that 122*10^2396+221 is a Fermat and Lucas PRP. [Earls]

Submitted: 2004-07-23 15:58:36;   Last Modified: 2008-01-30 11:28:00.
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