73716...11917 (84-digits)

This number is a prime.

7371 6968676564
6362615958 5755535251 5049474645 4443413938 3735343332 3129272625 2322211917

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The largest prime formed from reverse concatenation of double-digit deficient numbers. [Gupta]

Submitted: 2020-07-26 00:21:34; Last Modified: 2020-07-26 00:44:45.