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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
44928899898577998 ~1991
44929343898586878 ~1991
44929919898598398 ~1991
44929931898598638 ~1991
449302994493029919 ~1992
449323372695940239 ~1992
449342993594743939 ~1992
449383812696302879 ~1992
44938703898774078 ~1991
44940971898819438 ~1991
449411812696470879 ~1992
449424794494247919 ~1992
449437612696625679 ~1992
449451372696708239 ~1992
44945291898905838 ~1991
44945651898913038 ~1991
44947139898942798 ~1991
44950463899009278 ~1991
449522532697135199 ~1992
449526713596213699 ~1992
44952899899057998 ~1991
44953319899066398 ~1991
449541772697250639 ~1992
44954243899084878 ~1991
44954471899089438 ~1991
Exponent Prime Factor Digits Year
449550492472527695111 ~1997
44957071179828284110 ~1994
449573096294023279 ~1993
449576993596615939 ~1992
44957963899159278 ~1991
44959337170845480710 ~1994
449593493596747939 ~1992
44959763899195278 ~1991
44960711899214238 ~1991
44960939899218798 ~1991
449610893596887139 ~1992
44961131899222638 ~1991
44961491899229838 ~1991
449622074496220719 ~1992
44963003899260078 ~1991
44965741134897223110 ~1994
44966459899329198 ~1991
449671376295399199 ~1993
44968403899368078 ~1991
449690474496904719 ~1992
449705812698234879 ~1992
44970983899419678 ~1991
44974271899485438 ~1991
44975303899506078 ~1991
44975351899507038 ~1991
Exponent Prime Factor Digits Year
44976251899525038 ~1991
449766412698598479 ~1992
44977643899552878 ~1991
44978471899569438 ~1991
44980679899613598 ~1991
44980823899616478 ~1991
44980931899618638 ~1991
44982383899647678 ~1991
44982611899652238 ~1991
44983259899665198 ~1991
449850914498509119 ~1992
44985443899708878 ~1991
44986439899728798 ~1991
44987237350900448710 ~1995
44987543899750878 ~1991
44987759899755198 ~1991
44987843116968391910 ~1993
44988431899768638 ~1991
44988491899769838 ~1991
44988731899774638 ~1991
449889012699334079 ~1992
449917612699505679 ~1992
44991959899839198 ~1991
449935132699610799 ~1992
44993771899875438 ~1991
Exponent Prime Factor Digits Year
449943773599550179 ~1992
44994539899890798 ~1991
44995103899902078 ~1991
44995271899905438 ~1991
44996279899925598 ~1991
44996411899928238 ~1991
44997311899946238 ~1991
449977217199635379 ~1993
449984234499842319 ~1992
450002714500027119 ~1992
45002063900041278 ~1991
45002219108005325710 ~1993
45002759900055198 ~1991
45002999900059998 ~1991
45003779900075598 ~1991
45004097108009832910 ~1993
450046332700277999 ~1992
45004753108011407310 ~1993
450058278101048879 ~1993
45007819405070371110 ~1995
45008459900169198 ~1991
450113212700679279 ~1992
45012059900241198 ~1991
45012119900242398 ~1991
450127613601020899 ~1992
2006
GIMPS The Prime Pages FactorDb.com
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25-06-08