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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
4485737269144238 ~1984
4485799448579918 ~1985
4485839358867138 ~1984
4485883448588318 ~1985
448615189723037 ~1983
448651189730237 ~1983
4486591448659118 ~1985
4486673269200398 ~1984
4486919807645438 ~1985
448705189741037 ~1983
448711189742237 ~1983
4487341269240478 ~1984
448757989751597 ~1983
4487671718027378 ~1985
4487683448768318 ~1985
4487801269268078 ~1984
448789189757837 ~1983
448802389760477 ~1983
4488101359048098 ~1984
44881039065968079 ~1988
4488353269301198 ~1984
4488593269315598 ~1984
448871989774397 ~1983
4488761269325678 ~1984
4488763448876318 ~1985
Exp. Prime Factor Digits Year
448883989776797 ~1983
448903189780637 ~1983
4489033269341998 ~1984
448931989786397 ~1983
4489409359152738 ~1984
4489421269365278 ~1984
44894931077478339 ~1986
4489721359177698 ~1984
448973989794797 ~1983
448979989795997 ~1983
448988389797677 ~1983
4489999448999918 ~1985
4490371449037118 ~1985
44903992155391539 ~1986
449047189809437 ~1983
449063989812797 ~1983
44906871077764899 ~1986
44911071167687839 ~1986
4491337718613938 ~1985
4491653628831438 ~1985
449167189833437 ~1983
44920693144448319 ~1987
449239189847837 ~1983
44923911168021679
44924093593927219 ~1987
Exp. Prime Factor Digits Year
4492421269545278 ~1984
449245189849037 ~1983
4492457628943998 ~1985
4492753269565198 ~1984
4492927718868338 ~1985
4493081197695564110 ~1989
4493261269595678 ~1984
4493297269597838 ~1984
449339989867997 ~1983
4493399359471938
4493407808813278 ~1985
449345989869197 ~1983
4493501269610078 ~1984
4493501359480098
4493507812426065710 ~1990
4493513269610798 ~1984
449366389873277 ~1983
44936891078485379 ~1986
449375989875197 ~1983
4493837359506978 ~1984
4493851449385118 ~1985
4493857269631438 ~1984
44940713235731139 ~1987
4494181269650878 ~1984
449425189885037 ~1983
Exp. Prime Factor Digits Year
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
449609989921997 ~1983
4496159359692738 ~1984
449617189923437 ~1983
449629189925837 ~1983
4496329989192398 ~1985
4496441269786478 ~1984
44965331079167939 ~1986
449654389930877 ~1983
4496797269807838 ~1984
449696389939277 ~1983
4497089359767138 ~1984
639
GIMPS The Prime Pages FactorDb.com
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25-06-01