79999...97257 (101-digits)

This number is a prime.

                                          7 9999999999 9999999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999997257

+ The largest 101-digit prime commencing and ending with the digit 7. [Bajpai]

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