12200...00221 (149-digits)

This number is a prime.

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

Just showing those entries submitted by 'Earls': (Click here to show all)

+ 122*10^146+221 is prime. Note that 122*10^2396+221 is a Fermat and Lucas PRP. [Earls]

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