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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
634383175075065379 ~1993
634409631268819279 ~1992
634414911268829839 ~1992
634423311268846639 ~1992
634447911268895839 ~1992
634456191268912399 ~1992
634464231268928479 ~1992
634464773806788639 ~1993
634470111268940239 ~1992
634471015075768099 ~1993
634502095076016739 ~1993
63451303152283127310 ~1995
634525911269051839 ~1992
634559391269118799 ~1992
634568031269136079 ~1992
63457153406125779310 ~1996
634576791269153599 ~1992
634589631269179279 ~1992
63459223101534756910 ~1994
634615431269230879 ~1992
634622474823130772111 ~1998
634639311269278639 ~1992
634653711269307439 ~1992
634679031269358079 ~1992
634690191269380399 ~1992
Exponent Prime Factor Digits Year
63471367761656404110 ~1996
634716231269432479 ~1992
634716711269433439 ~1992
63473593139641904710 ~1994
634736813808420879 ~1993
634767231269534479 ~1992
634771911269543839 ~1992
634806111269612239 ~1992
634819375078554979 ~1993
634843911269687839 ~1992
634856991269713999 ~1992
63486193152366863310 ~1995
634863231269726479 ~1992
634869715078957699 ~1993
634899111269798239 ~1992
634910031269820079 ~1992
634942791269885599 ~1992
63495373101592596910 ~1994
634967991269935999 ~1992
634981311269962639 ~1992
63499567419097142310 ~1996
635018813810112879 ~1993
635039631270079279 ~1992
635051991270103999 ~1992
635068191270136399 ~1992
Exponent Prime Factor Digits Year
635084991270169999 ~1992
63508843266737140710 ~1995
63509867355655255310 ~1995
635102991270205999 ~1992
63510607571595463110 ~1996
635116911270233839 ~1992
635122498891714879 ~1994
635129031270258079 ~1992
635141511270283039 ~1992
635161431270322879 ~1992
635171213811027279 ~1993
635214831270429679 ~1992
635223231270446479 ~1992
635241591270483199 ~1992
635242431270484879 ~1992
635245791270491599 ~1992
635246395081971139 ~1993
63525071203280227310 ~1995
635250831270501679 ~1992
635264875082118979 ~1993
63528383165173795910 ~1995
635289111270578239 ~1992
635307231270614479 ~1992
635314911270629839 ~1992
635334231270668479 ~1992
Exponent Prime Factor Digits Year
635345391270690799 ~1992
635347911270695839 ~1992
635359311270718639 ~1992
635367831270735679 ~1992
635396031270792079 ~1992
63540299304993435310 ~1995
635404733812428399 ~1993
635418111270836239 ~1992
635438031270876079 ~1992
635443911270887839 ~1992
635467791270935599 ~1992
635469711270939439 ~1992
635482495083859939 ~1993
635483991270967999 ~1992
635495391270990799 ~1992
635500431271000879 ~1992
635502111271004239 ~1992
635524911271049839 ~1992
635526831271053679 ~1992
635536615084292899 ~1993
635540631271081279 ~1992
635546511271093039 ~1992
635563311271126639 ~1992
635572813813436879 ~1993
635580831271161679 ~1992
2221
GIMPS The Prime Pages FactorDb.com
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25-07-08