10000...00031 (400-digits)

This number is a composite.

                      1000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000031

Single Curio View:   (Seek other curios for this number)
You can use the p + 1 method to find the 21-digit prime factor of the smallest 400-digit semiprime. [Wesolowski]

Submitted: 2010-03-19 14:17:33;   Last Modified: 2010-03-19 14:42:45.
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