28293...17273 (92-digits)

This number is a prime.

28 2930313233 3435363738
3940414243 4445464748 4950515253 5455565758 5960616263 6465666768 6970717273

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

Submitted: 2019-11-09 06:23:33; Last Modified: 2020-06-13 13:00:50.