13580...97531 (42-digits)

This number is a composite.

                              13 5802469135 8024691222 2086419753 0864197531

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

+ The smallest sphenic number whose the prime factors are the repunit primes, i.e., R2, R19, R23. [Loungrides]

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