10000...07443 (101-digits)

This number is a prime.

                                          1 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000007443

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There are over one thousand (exactly 1139) consecutive composite numbers following this prime, which is the first occurrence of a kilogap between primes greater than a googol. [Honaker]