1673401domain: NPropertiesPrimalityPrimeyesAppears in sequencesPrimes p such that (p+1)/2, (p+2)/3, (p+3)/4 and (p+4)/5 are also prime.at n=11A204592Primes p such that 2p - 1, 3p - 2, (p + 1)/2, and (p + 2)/3 are also prime.at n=25A386540Prime numbersat n=126274