78583...21291 (70-digits)

This number is a prime.

7858381897 7757371796 7656361695 7555351594 7454341493 7353331392 7252321291

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Largest prime formed from concatenation of reversed digits of double-digit odd numbers in descending order. [Gupta]

Submitted: 2022-02-01 01:28:25; Last Modified: 2022-02-01 02:15:55.