Double Wieferich prime pairs

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Double Wieferich prime pairs are pairs of prime numbers (p, q) such that both of the congruences p^q-1 ≡ 1 (mod q²) and q^p-1 ≡ 1 (mod p²) are satisfied. These pairs are special cases of Wieferich tuples.

Sequences

A124121, A124122, A126432, A282293

See also

• Wieferich primes