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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
4640491835288398 ~1985
4640803464080318 ~1985
4641037278462238 ~1984
4641137278468238 ~1984
4641151742584178 ~1985
4641211464121118 ~1985
464125192825037 ~1983
4641271742603378 ~1985
46416674084666979 ~1987
4641713278502798 ~1984
4641739464173918 ~1985
46417397148278079
46417811021191839 ~1986
464186392837277 ~1983
46419913063714079 ~1987
464209192841837 ~1983
4642123464212318 ~1985
464219992843997 ~1983
464227192845437 ~1983
464249992849997 ~1983
4642621278557278 ~1984
46426791114242979 ~1986
46428671114288099 ~1986
4642877501430716110 ~1990
4642949371435938 ~1985
Exp. Prime Factor Digits Year
46431131392933919 ~1986
4643117278587038 ~1984
464323192864637 ~1983
4643251742920178 ~1985
464327992865597 ~1983
4643299835793838 ~1985
4643473278608398 ~1984
4643867371509378 ~1985
4643911835903998 ~1985
4643983464398318 ~1985
464401192880237 ~1983
464437192887437 ~1983
46448512322425519 ~1986
4645061371604898 ~1985
4645153278709198 ~1984
4645231836141598 ~1985
464527192905437 ~1983
464549992909997 ~1983
464552392910477 ~1983
4645547371643778 ~1985
464555992911197 ~1983
464558392911677 ~1983
464563192912637 ~1983
4645783743325298 ~1985
4645843743334898 ~1985
Exp. Prime Factor Digits Year
4645933278755998 ~1984
4646099371687938 ~1985
4646141371691298 ~1985
4646297278777838 ~1984
4646381106866763110 ~1988
46464291115142979 ~1986
4646513650511838 ~1985
4646527464652718 ~1985
4646597371727778 ~1985
46466331115191939 ~1986
464671192934237 ~1983
464678392935677 ~1983
4646821278809278 ~1984
464689192937837 ~1983
4646977278818638 ~1984
4647079464707918 ~1985
4647193278831598 ~1984
4647329371786338 ~1985
464747992949597 ~1983
4647493743598898 ~1985
4647497650649598 ~1985
4647499836549838 ~1985
4647527371802178 ~1985
4647557371804578 ~1985
4647707371816578 ~1985
Exp. Prime Factor Digits Year
4647733278863998 ~1984
4647893650705038 ~1985
464795992959197 ~1983
464815192963037 ~1983
4648289371863138 ~1985
4648321743731378 ~1985
4648459836722638 ~1985
464879992975997 ~1983
4648957278937438 ~1984
464899192979837 ~1983
4648997650859598 ~1985
4649033278941998 ~1984
46491711952651839 ~1986
4649201278952078 ~1984
464930392986077 ~1983
46493411022855039 ~1986
464959192991837 ~1983
4649591836926398
4649741278984478 ~1984
464975992995197 ~1983
465001193000237 ~1983
4650011372000898
465031193006237 ~1983
465032393006477 ~1983
4650391465039118 ~1985
669
GIMPS The Prime Pages FactorDb.com
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25-12-14