11821...13007 (25-digits)

This number is a prime.

11821 1227712347 1261313007

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{1182112277123471261313007, 1300712613123471227711821} is the smallest case of a pair of 25-digit primes concatenating in ascending and descending order five 5-digit consecutive Honaker primes, i.e., {11821, 12277, 12347, 12613, 13007}. [Bajpai]

Submitted: 2020-01-21 22:12:00; Last Modified: 2020-01-21 23:09:23.