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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