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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
40820159816403198 ~1990
40820291816405838 ~1990
40821359816427198 ~1990
40822109587838369710 ~1995
40822823816456478 ~1990
40823663498048688710 ~1995
40824323816486478 ~1990
40824911816498238 ~1990
40825139816502798 ~1990
40825919816518398 ~1990
40827131816542638 ~1990
40827719816554398 ~1990
40828031816560638 ~1990
40828499816569998 ~1990
40828583816571678 ~1990
40828811816576238 ~1990
40829339816586798 ~1990
40829543816590878 ~1990
40830011816600238 ~1990
408306413266451299 ~1992
408307394083073919 ~1992
40830851816617038 ~1990
40832999816659998 ~1990
408331732449990399 ~1992
408335172450011039 ~1992
Exponent Prime Factor Digits Year
40833911816678238 ~1990
408342794083427919 ~1992
40834511816690238 ~1990
40835183816703678 ~1990
40835279816705598 ~1990
40836179816723598 ~1990
408370332450221999 ~1992
408373098984207999 ~1993
40837343816746878 ~1990
40837871816757438 ~1990
40838123816762478 ~1990
40838783816775678 ~1990
40839503816790078 ~1990
40839719816794398 ~1990
408409514084095119 ~1992
40841891816837838 ~1990
40843199816863998 ~1990
40844519816890398 ~1990
40845251130704803310 ~1993
40845443816908878 ~1990
40845911816918238 ~1990
40846103816922078 ~1990
40846691816933838 ~1990
408475013267800099 ~1992
40848779816975598 ~1990
Exponent Prime Factor Digits Year
40848911816978238 ~1990
40849223130717513710 ~1993
40849499816989998 ~1990
40850339817006798 ~1990
40850723817014478 ~1990
40850759817015198 ~1990
40850891817017838 ~1990
408517932451107599 ~1992
408524332451145999 ~1992
408532793268262339 ~1992
408542172451253039 ~1992
408548573268388579 ~1992
40855211817104238 ~1990
40856077196109169710 ~1994
40856591817131838 ~1990
408567436537078899 ~1993
40858799817175998 ~1990
40859183817183678 ~1990
408599477354790479 ~1993
40863143817262878 ~1990
408648295721076079 ~1992
408655193269241539 ~1992
40866911817338238 ~1990
40867763817355278 ~1990
408678172452069039 ~1992
Exponent Prime Factor Digits Year
40868099817361998 ~1990
40868783817375678 ~1990
40868903817378078 ~1990
40869611817392238 ~1990
408697975721771599 ~1992
40870751817415038 ~1990
408721973269775779 ~1992
408733332452399999 ~1992
40874651817493038 ~1990
408748313269986499 ~1992
408749594087495919 ~1992
40875179817503598 ~1990
40875959817519198 ~1990
40876067204380335110 ~1994
408770093270160739 ~1992
40877183817543678 ~1990
408797538993545679 ~1993
40879859817597198 ~1990
408799572452797439 ~1992
408814397358659039 ~1993
40881623817632478 ~1990
40883159817663198 ~1990
40884059817681198 ~1990
40885583817711678 ~1990
40886123817722478 ~1990
1965
GIMPS The Prime Pages FactorDb.com
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25-07-08