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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.
Exponent Prime Factor Digits Year
18021959360439198 ~1988
18022073100923608910 ~1991
180221411081328479 ~1989
18022681173017737710 ~1992
180226911441815299 ~1989
18023171360463438 ~1988
180235611081413679 ~1989
180235911441887299 ~1989
18024263360485278 ~1988
180243731081462399 ~1989
180244674325872099 ~1990
180244934325878339 ~1990
18024551360491038 ~1988
18024659360493198 ~1988
18024911360498238 ~1988
18024971360499438 ~1988
180250011442000099 ~1989
18025223360504478 ~1988
18025751360515038 ~1988
180258791802587919 ~1989
18026219360524398 ~1988
18026279360525598 ~1988
18026453155027495910 ~1992
18026831360536638 ~1988
180268311442146499
Exponent Prime Factor Digits Year
180274811081648879 ~1989
18027959360559198 ~1988
180280571081683439 ~1989
18028319360566398 ~1988
18029051360581038 ~1988
180291591442332739 ~1989
18029351360587038 ~1988
180300731081804399 ~1989
18030143360602878 ~1988
18030203360604078 ~1988
18030923360618478 ~1988
18031151360623038 ~1988
18031991360639838 ~1988
18032233183928776710 ~1992
18032411360648238 ~1988
18032951360659038 ~1988
180332335770634579 ~1991
18033611360672238 ~1988
180340074328161699 ~1990
18035399360707998 ~1988
18035411360708238 ~1988
18035471360709438 ~1988
18035603360712078 ~1988
18036563360731278 ~1988
180365831803658319 ~1989
Exponent Prime Factor Digits Year
18037139360742798 ~1988
18037199360743998 ~1988
180376011443008099 ~1989
180377771082266639 ~1989
18038243360764878 ~1988
18038291360765838 ~1988
18038651360773038 ~1988
180393612539942028911 ~1995
18039503360790078 ~1988
180396411082378479 ~1989
18040439360808798 ~1988
18040679360813598 ~1988
180407771082446639 ~1989
18041099360821998 ~1988
18041339360826798 ~1988
18041351360827038 ~1988
18041483360829678 ~1988
18042071360841438 ~1988
18042119360842398 ~1988
18042239360844798 ~1988
180425811443406499 ~1989
18042779360855598 ~1988
18042803360856078 ~1988
180429791804297919 ~1989
18043163360863278 ~1988
Exponent Prime Factor Digits Year
18043391360867838 ~1988
18043583360871678 ~1988
18043631360872638 ~1988
180436332886981299 ~1990
18043871360877438 ~1988
180439132526147839 ~1990
18044051360881038 ~1988
18044291360885838 ~1988
180443091443544739 ~1989
180443532887096499 ~1990
18044951360899038 ~1988
180456611082739679 ~1989
180463311443706499 ~1989
18046643360932878 ~1988
18046739360934798 ~1988
18046883360937678 ~1988
18046943360938878 ~1988
180474591443796739 ~1989
18047819360956398 ~1988
180484272887748339 ~1990
18049463360989278 ~1988
180501132888018099 ~1990
180505632888090099 ~1990
180507971083047839 ~1989
18051119361022398 ~1988
1350
GIMPS The Prime Pages FactorDb.com
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25-05-04