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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
619464711238929439 ~1992
619469991238939999 ~1992
619483191238966399 ~1992
619485111238970239 ~1992
619491831238983679 ~1992
619502631239005279 ~1992
619511391239022799 ~1992
619533831239067679 ~1992
619535391239070799 ~1992
619539591239079199 ~1992
619556511239113039 ~1992
619558911239117839 ~1992
619566831239133679 ~1992
619569533717417199 ~1993
619578591239157199 ~1992
619584831239169679 ~1992
619604391239208799 ~1992
619613631239227279 ~1992
619624791239249599 ~1992
619625391239250799 ~1992
619625991239251999 ~1992
619636191239272399 ~1992
619657733717946399 ~1993
619668711239337439 ~1992
619680294957442339 ~1993
Exponent Prime Factor Digits Year
619682991239365999 ~1992
619705431239410879 ~1992
619726431239452879 ~1992
61973419545366087310 ~1996
619737111239474239 ~1992
619744333718465999 ~1993
61975601198321923310 ~1995
619770111239540239 ~1992
619774813718648879 ~1993
619775511239551039 ~1992
619793031239586079 ~1992
619797173718783039 ~1993
619797831239595679 ~1992
619803231239606479 ~1992
619806831239613679 ~1992
619815711239631439 ~1992
619816939917070899 ~1994
619818973718913839 ~1993
619824111239648239 ~1992
619858311239716639 ~1992
619861911239723839 ~1992
619878831239757679 ~1992
619886391239772799 ~1992
619895631239791279 ~1992
619904991239809999 ~1992
Exponent Prime Factor Digits Year
619925031239850079 ~1992
619930311239860639 ~1992
61997363161193143910 ~1995
619987014959896099 ~1993
619988413719930479 ~1993
620002191240004399 ~1992
620013231240026479 ~1992
620025711240051439 ~1992
620026494960211939 ~1993
620026791240053599 ~1992
620052111240104239 ~1992
620082231240164479 ~1992
620107311240214639 ~1992
620113431240226879 ~1992
620126031240252079 ~1992
620127711240255439 ~1992
620129631240259279 ~1992
62013337148832008910 ~1994
620138514961108099 ~1993
62014489186043467110 ~1995
620145831240291679 ~1992
620161311240322639 ~1992
620186813721120879 ~1993
620205831240411679 ~1992
620215791240431599 ~1992
Exponent Prime Factor Digits Year
62023567955162931910 ~1996
620239191240478399 ~1992
620260311240520639 ~1992
620271111240542239 ~1992
620286711240573439 ~1992
620295594962364739 ~1993
620300991240601999 ~1992
620310591240621199 ~1992
620317191240634399 ~1992
620344431240688879 ~1992
620357631240715279 ~1992
620372631240745279 ~1992
620377613722265679 ~1993
620379711240759439 ~1992
620383036203830319 ~1994
620388711240777439 ~1992
620404791240809599 ~1992
620419014963352099 ~1993
620430711240861439 ~1992
620434191240868399 ~1992
620474773722848639 ~1993
620480991240961999 ~1992
620502831241005679 ~1992
620505591241011199 ~1992
620515431241030879 ~1992
2212
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25-07-13