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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
449063989812797 ~1983
44906871077764899 ~1986
44911071167687839 ~1986
4491337718613938 ~1985
4491653628831438 ~1985
449167189833437 ~1983
44920693144448319 ~1987
449239189847837 ~1983
44923911168021679
44924093593927219 ~1987
4492421269545278 ~1984
449245189849037 ~1983
4492457628943998 ~1985
44926792246339519 ~1986
4492753269565198 ~1984
4492927718868338 ~1985
4493081197695564110 ~1989
4493261269595678 ~1984
4493297269597838 ~1984
449339989867997 ~1983
4493399359471938
4493407808813278 ~1985
449345989869197 ~1983
4493501269610078 ~1984
4493501359480098
Exp. Prime Factor Digits Year
4493507812426065710 ~1990
4493513269610798 ~1984
449366389873277 ~1983
44936891078485379 ~1986
449375989875197 ~1983
4493837359506978 ~1984
4493851449385118 ~1985
4493857269631438 ~1984
44940713235731139 ~1987
4494181269650878 ~1984
449425189885037 ~1983
4494359359548738 ~1984
449455189891037 ~1983
4494727719156338 ~1985
4494731359578498 ~1984
4494929359594338 ~1984
44949912966694079 ~1987
4495109629315278 ~1985
4495237269714238 ~1984
44957171348715119 ~1986
4495739359659138 ~1984
449591989918397 ~1983
4495919359673538
4495993269759598 ~1984
4496069359685538 ~1984
Exp. Prime Factor Digits Year
449609989921997 ~1983
4496159359692738 ~1984
449617189923437 ~1983
449629189925837 ~1983
4496329989192398 ~1985
4496441269786478 ~1984
44965331079167939 ~1986
449654389930877 ~1983
4496797269807838 ~1984
449696389939277 ~1983
4497089359767138 ~1984
449719189943837 ~1983
4497329629626078 ~1985
4497491359799298 ~1984
449753989950797 ~1983
449761189952237 ~1983
44976112518662179
449779189955837 ~1983
44980012518880579 ~1986
449828389965677 ~1983
4498297269897838 ~1984
44984271169591039 ~1986
449861989972397 ~1983
4498661269919678 ~1984
4498709359896738 ~1984
Exp. Prime Factor Digits Year
449888389977677 ~1983
449959189991837 ~1983
4499597524653010310 ~1990
4499659809938638 ~1985
449978389995677 ~1983
4499893269993598 ~1984
4500317360025378 ~1984
450037190007437 ~1983
450038390007677 ~1983
4500439450043918 ~1985
450049190009837 ~1983
45004931350147919 ~1986
4500553990121678 ~1986
450059990011997 ~1983
450073190014637 ~1983
4500751450075118 ~1985
45007791440249299 ~1986
4500943720150898 ~1985
45010011440320339 ~1986
4501037270062238 ~1984
4501097270065838 ~1984
4501153270069198 ~1984
4501199360095938 ~1984
45014512160696499 ~1986
4501577360126178 ~1984
652
GIMPS The Prime Pages FactorDb.com
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25-11-02