13042...43651 (49-digits)

This number is a prime.

130423868 0165623831 2386515137 2297217790 4593843651

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The least prime factor of the Smarandache number Sm(691) (i.e., 1234567.....688689690691). [Antonious]

Submitted: 2019-02-07 02:25:08; Last Modified: 2019-02-07 12:29:54.