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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
689943711379887439 ~1992
68995279165588669710 ~1995
689964796899647919 ~1994
689974191379948399 ~1992
689981511379963039 ~1992
689982711379965439 ~1992
690004431380008879 ~1992
690010431380020879 ~1992
690011511380023039 ~1992
690014631380029279 ~1992
690041574140249439 ~1993
69005033165612079310 ~1995
690050631380101279 ~1992
69007427124213368710 ~1995
690076191380152399 ~1992
690080391380160799 ~1992
690092031380184079 ~1992
690094675520757379 ~1994
690120595520964739 ~1994
690139431380278879 ~1992
690145036901450319 ~1994
690149031380298079 ~1992
690149991380299999 ~1992
69015983289867128710 ~1995
690161334140967999 ~1993
Exponent Prime Factor Digits Year
690211036902110319 ~1994
69021817110434907310 ~1994
69021947179457062310 ~1995
690220431380440879 ~1992
690223911380447839 ~1992
690225111380450239 ~1992
690231591380463199 ~1992
690231899663246479 ~1994
690235036902350319 ~1994
690263391380526799 ~1992
69027787276111148110 ~1995
690294475522355779 ~1994
690314631380629279 ~1992
690342715522741699 ~1994
690357831380715679 ~1992
690394191380788399 ~1992
690412791380825599 ~1992
69041761662800905710 ~1996
690442675523541379 ~1994
69045269207135807110 ~1995
690502791381005599 ~1992
690517911381035839 ~1992
690520014143120079 ~1993
690534591381069199 ~1992
690549414143296479 ~1993
Exponent Prime Factor Digits Year
690597414143584479 ~1993
690598431381196879 ~1992
690615295524922339 ~1994
690627831381255679 ~1992
690631015525048099 ~1994
690634791381269599 ~1992
690689631381379279 ~1992
690697974144187839 ~1993
690700334144201999 ~1993
690709311381418639 ~1992
690711111381422239 ~1992
690715375525722979 ~1994
690717591381435199 ~1992
690728031381456079 ~1992
690729174144375039 ~1993
690732174144393039 ~1993
69074353207223059110 ~1995
690755511381511039 ~1992
690758214144549279 ~1993
690774231381548479 ~1992
690777591381555199 ~1992
690778311381556639 ~1992
690805675526445379 ~1994
690807014144842079 ~1993
690817311381634639 ~1992
Exponent Prime Factor Digits Year
690826311381652639 ~1992
690840831381681679 ~1992
69084319234886684710 ~1995
690847734145086399 ~1993
690871911381743839 ~1992
690876591381753199 ~1992
690887631381775279 ~1992
690899031381798079 ~1992
690900111381800239 ~1992
690903895527231139 ~1994
69094703179646227910 ~1995
690968934145813599 ~1993
690978299673696079 ~1994
690995934145975599 ~1993
690998875527990979 ~1994
691024791382049599 ~1992
691037391382074799 ~1992
69103813110566100910 ~1994
691040515528324099 ~1994
691045431382090879 ~1992
691051911382103839 ~1992
69105373373169014310 ~1996
691065711382131439 ~1992
69108337110573339310 ~1994
691096191382192399 ~1992
2226
GIMPS The Prime Pages FactorDb.com
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25-05-04