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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
405688612434131679 ~1992
40568939811378798 ~1990
40569311811386238 ~1990
40570319811406398 ~1990
40571831811436638 ~1990
405726914057269119 ~1992
40572971811459438 ~1990
40573763811475278 ~1990
40573919811478398 ~1990
405745612434473679 ~1992
40575179811503598 ~1990
405752532434515199 ~1992
405760495680646879 ~1992
40577051811541038 ~1990
405779212434675279 ~1992
40578071811561438 ~1990
40579499811589998 ~1990
40580651811613038 ~1990
405828775681602799 ~1992
405828899739893379 ~1993
40582931811658638 ~1990
40583111811662238 ~1990
40583219811664398 ~1990
40583759811675198 ~1990
405840172435041039 ~1992
Exponent Prime Factor Digits Year
40584191811683838 ~1990
405849412435096479 ~1992
40585619811712398 ~1990
40586219811724398 ~1990
405885732435314399 ~1992
40590131811802638 ~1990
405902932435417599 ~1992
40590311811806238 ~1990
40590841316608559910 ~1994
40591451811829038 ~1990
40591703811834078 ~1990
405923474059234719 ~1992
40593023811860478 ~1990
405938714059387119 ~1992
405945732435674399 ~1992
40596551811931038 ~1990
40598219811964398 ~1990
405992279743814499 ~1993
40599239811984798 ~1990
40599803811996078 ~1990
406007332436043999 ~1992
40600799812015998 ~1990
40601579812031598 ~1990
40602491812049838 ~1990
40603331812066638 ~1990
Exponent Prime Factor Digits Year
406046597308838639 ~1993
40606883812137678 ~1990
40607291812145838 ~1990
40607471812149438 ~1990
40608959812179198 ~1990
40609043812180878 ~1990
406090572436543439 ~1992
40610159812203198 ~1990
40610351812207038 ~1990
40610579812211598 ~1990
406106212436637279 ~1992
406110172436661039 ~1992
40611937389874595310 ~1995
40613519812270398 ~1990
40613819812276398 ~1990
40614083812281678 ~1990
40614503812290078 ~1990
40614551812291038 ~1990
40615271812305438 ~1990
406153612436921679 ~1992
406154093249232739 ~1992
40616063812321278 ~1990
40617491812349838 ~1990
40618031812360638 ~1990
40618271812365438 ~1990
Exponent Prime Factor Digits Year
406184335686580639 ~1992
40619651812393038 ~1990
406202695686837679 ~1992
406204073249632579 ~1992
406208212437249279 ~1992
406210332437261999 ~1992
40621043812420878 ~1990
40621859812437198 ~1990
40623371812467438 ~1990
40624019812480398 ~1990
40624439812488798 ~1990
406247693249981539 ~1992
40627283812545678 ~1990
40627523812550478 ~1990
406282673250261379 ~1992
40628723812574478 ~1990
40629059812581198 ~1990
40630871812617438 ~1990
40630883812617678 ~1990
406318812437912879 ~1992
40632491812649838 ~1990
406330373250642979 ~1992
40633391487600692110 ~1995
40634579812691598 ~1990
406354793250838339 ~1992
1946
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25-06-08