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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
5035038731107708520711 ~2002
503509631100701926310 ~1999
503522963100704592710 ~1999
503525831100705166310 ~1999
503548043100709608710 ~1999
5035709294431424175311 ~2003
503581777302149066310 ~2000
503583917402867133710 ~2000
503589539100717907910 ~1999
503598839100719767910 ~1999
503610119100722023910 ~1999
503610557302166334310 ~2000
503611817402889453710 ~2000
503629799402903839310 ~2000
503648003100729600710 ~1999
503702519100740503910 ~1999
503708039100741607910 ~1999
503724839100744967910 ~1999
503750311503750311110 ~2001
503753891100750778310 ~1999
503768003100753600710 ~1999
503774279100754855910 ~1999
503775119100755023910 ~1999
503776859403021487310 ~2000
503786351100757270310 ~1999
Exponent Prime Factor Digits Year
503811839100762367910 ~1999
503813951100762790310 ~1999
503817371100763474310 ~1999
503851451100770290310 ~1999
503853719100770743910 ~1999
503860243806176388910 ~2001
503863511100772702310 ~1999
503867711100773542310 ~1999
503873459403098767310 ~2000
503887823100777564710 ~1999
503918183100783636710 ~1999
503930411100786082310 ~1999
503933459907080226310 ~2001
503953643100790728710 ~1999
503955911100791182310 ~1999
503970059100794011910 ~1999
503979251100795850310 ~1999
504024023100804804710 ~1999
504035699100807139910 ~1999
504061139100812227910 ~1999
504064763100812952710 ~1999
504069179100813835910 ~1999
504075911403260728910 ~2000
504085577302451346310 ~2000
504100879907381582310 ~2001
Exponent Prime Factor Digits Year
504115259100823051910 ~1999
504140579100828115910 ~1999
504160271100832054310 ~1999
504179983504179983110 ~2001
504217691100843538310 ~1999
504271199100854239910 ~1999
5042730134841020924911 ~2003
504277583100855516710 ~1999
504285599100857119910 ~1999
504297539100859507910 ~1999
504298439100859687910 ~1999
504307889706031044710 ~2001
504317039100863407910 ~1999
504322271100864454310 ~1999
504331081302598648710 ~2000
504336803100867360710 ~1999
504341099907813978310 ~2001
504352703100870540710 ~1999
504366491100873298310 ~1999
504382643100876528710 ~1999
504395123100879024710 ~1999
504403439100880687910 ~1999
504405037302643022310 ~2000
504412679100882535910 ~1999
504413831100882766310 ~1999
Exponent Prime Factor Digits Year
504427139100885427910 ~1999
504429371100885874310 ~1999
504442091100888418310 ~1999
504470831100894166310 ~1999
504489053302693431910 ~2000
504494723100898944710 ~1999
504521483100904296710 ~1999
504526343100905268710 ~1999
504534323100906864710 ~1999
504543311100908662310 ~1999
504572437302743462310 ~2000
504575783100915156710 ~1999
504582359100916471910 ~1999
5045932491513779747111 ~2002
504593723100918744710 ~1999
5046094931110140884711 ~2002
504623303100924660710 ~1999
504623543100924708710 ~1999
504630359100926071910 ~1999
5046420912926924127911 ~2003
504696121302817672710 ~2000
504729443100945888710 ~1999
504762431100952486310 ~1999
504787583100957516710 ~1999
504825059100965011910 ~1999
3197
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25-05-04