10000...38979 (100-digits)

This number is a prime.

                                            1000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0007538979

+ 1099 + 7538979 is the smallest one hundred-digit prime with the first digit being equal to preceding gap and the last digit being equal to following gap. [Kulsha]

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