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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
630512511261025039 ~1992
630520431261040879 ~1992
63053737100885979310 ~1994
630540733783244399 ~1993
630556911261113839 ~1992
630567711261135439 ~1992
630602511261205039 ~1992
630639711261279439 ~1992
630652975045223779 ~1993
630655733783934399 ~1993
630661973783971839 ~1993
630665511261331039 ~1992
630670191261340399 ~1992
630678711261357439 ~1992
630692031261384079 ~1992
630694375045554979 ~1993
630701031261402079 ~1992
630704991261409999 ~1992
630705711261411439 ~1992
630716933784301599 ~1993
63071711201829475310 ~1995
630726711261453439 ~1992
630730791261461599 ~1992
630733191261466399 ~1992
630739191261478399 ~1992
Exponent Prime Factor Digits Year
630744973784469839 ~1993
630746391261492799 ~1992
630752511261505039 ~1992
630753711261507439 ~1992
630779991261559999 ~1992
630793431261586879 ~1992
630798831261597679 ~1992
63082237857918423310 ~1996
630832911261665839 ~1992
630838311261676639 ~1992
630864591261729199 ~1992
630871738832204239 ~1994
630895315047162499 ~1993
630909591261819199 ~1992
63091597189274791110 ~1995
630941338833178639 ~1994
630942111261884239 ~1992
630947991261895999 ~1992
630949191261898399 ~1992
630949611249280227911 ~1997
630960796309607919 ~1994
630961013785766079 ~1993
630994791261989599 ~1992
630996111261992239 ~1992
631007031262014079 ~1992
Exponent Prime Factor Digits Year
631015791262031599 ~1992
631036791262073599 ~1992
631056711262113439 ~1992
631060791262121599 ~1992
631069191262138399 ~1992
631077775048622179 ~1993
631085991262171999 ~1992
631094631262189279 ~1992
631102333786613999 ~1993
63110549151465317710 ~1995
631147311262294639 ~1992
631149111262298239 ~1992
631160991262321999 ~1992
631195311262390639 ~1992
631196631262393279 ~1992
631200591262401199 ~1992
631205031262410079 ~1992
631214515049716099 ~1993
631266111262532239 ~1992
63127651113629771910 ~1994
631293591262587199 ~1992
631298511262597039 ~1992
631305831262611679 ~1992
631325413787952479 ~1993
631328511262657039 ~1992
Exponent Prime Factor Digits Year
631342311262684639 ~1992
631357573788145439 ~1993
63136189151526853710 ~1995
631368831262737679 ~1992
63138961101022337710 ~1994
631401173788407039 ~1993
631439031262878079 ~1992
631448815051590499 ~1993
631464591262929199 ~1992
631497413788984479 ~1993
631522911263045839 ~1992
631563711263127439 ~1992
631594571503195076711 ~1997
631610991263221999 ~1992
631612973789677839 ~1993
63165491113697883910 ~1994
63165959315829795110 ~1995
631668013790008079 ~1993
631675191263350399 ~1992
631681015053448099 ~1993
63169853543260735910 ~1996
631711311263422639 ~1992
631717431263434879 ~1992
63174343606473692910 ~1996
631755373790532239 ~1993
2213
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25-06-29