20000...00019 (47-digits)

This number is a prime.

                         2000003 0000050000 0700000110 0000130000 0170000019

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

+ This is a prime with a prime number of digits formed by concatenating the primes from 2 to 19, inserting a prime number (five) of 0's between each prime. [Hartley]

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