13042...43651 (49-digits)

This number is a prime.

                       130423868 0165623831 2386515137 2297217790 4593843651

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

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

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