25272...78991 (68-digits)

This number is a prime.

  25272931 3335373941 4345474951 5355575961 6365676971 7375777981 8385878991

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

Submitted: 2019-07-18 19:48:20;   Last Modified: 2019-07-19 07:21:20.
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