6766411domain: NPropertiesPrimalityPrimeyesAppears in sequencesOne of the two successive approximations up to 2^n for 2-adic integer sqrt(-7). This is the 3 (mod 4) case.at n=21A318961One of the two successive approximations up to 2^n for 2-adic integer sqrt(-7). This is the 3 (mod 4) case.at n=22A318961Prime numbersat n=461765