9431
This number is a prime.
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9431 is the first member of the largest 4-digit prime
quadruplet {9431, 9433, 9437, 9439} and of the largest twin
pair (9431, 9433) of irregular primes of 4-digits. [Roshanak]
Submitted: 2023-03-17 15:55:20; Last Modified: 2026-10-31 20:46:18.
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