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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
282976647711319065908112 ~2008
2829779891565955978310 ~2005
2829878963565975792710 ~2005
28299880976791971432911 ~2007
2830021559566004311910 ~2005
2830087523566017504710 ~2005
28302195411698131724711 ~2006
2830356719566071343910 ~2005
28304955892264396471311 ~2006
2830512263566102452710 ~2005
28305139131698308347911 ~2006
2830558931566111786310 ~2005
2830743803566148760710 ~2005
28307982131698478927911 ~2006
28308783293963229660711 ~2007
2830962311566192462310 ~2005
2831124311566224862310 ~2005
28311332411698679944711 ~2006
2831259479566251895910 ~2005
28313478011698808680711 ~2006
28315215971698912958311 ~2006
2831564819566312963910 ~2005
2831573483566314696710 ~2005
28315878315096858095911 ~2007
28315928232831592823111 ~2007
Exponent Prime Factor Digits Year
2831610263566322052710 ~2005
2831635199566327039910 ~2005
28316844171699010650311 ~2006
28317786171699067170311 ~2006
2831790803566358160710 ~2005
2831852099566370419910 ~2005
28318906676796537600911 ~2007
28319878011699192680711 ~2006
2832291491566458298310 ~2005
28323477892265878231311 ~2006
28324087012265926960911 ~2006
2832501131566500226310 ~2005
28326658373965732171911 ~2007
2832675551566535110310 ~2005
283268869727193811491312 ~2009
2832756539566551307910 ~2005
2832800111566560022310 ~2005
2832861719566572343910 ~2005
2832922751566584550310 ~2005
2832984443566596888710 ~2005
2832985703566597140710 ~2005
2833024679566604935910 ~2005
2833029971566605994310 ~2005
2833146839566629367910 ~2005
2833364291566672858310 ~2005
Exponent Prime Factor Digits Year
2833411571566682314310 ~2005
28334912392266792991311 ~2006
2833577303566715460710 ~2005
28336075011700164500711 ~2006
2833641851566728370310 ~2005
2833730183566746036710 ~2005
2833808063566761612710 ~2005
2833826903566765380710 ~2005
2833867103566773420710 ~2005
2833936799566787359910 ~2005
28339882312267190584911 ~2006
2834083163566816632710 ~2005
28341782275101520808711 ~2007
28341840614534694497711 ~2007
2834270291566854058310 ~2005
28343024171700581450311 ~2006
2834310659566862131910 ~2005
28343540692267483255311 ~2006
2834425931566885186310 ~2005
2834553899566910779910 ~2005
2834583659566916731910 ~2005
2834602451566920490310 ~2005
28346128211700767692711 ~2006
2834626211566925242310 ~2005
28346704317370143120711 ~2008
Exponent Prime Factor Digits Year
28347061512834706151111 ~2007
283474693911905937143912 ~2008
28347546172267803693711 ~2006
2834980223566996044710 ~2005
2835035531567007106310 ~2005
2835202031567040406310 ~2005
2835220331567044066310 ~2005
2835222083567044416710 ~2005
28352896796804695229711 ~2007
28354322331701259339911 ~2006
28354637232835463723111 ~2007
2835473471567094694310 ~2005
2835487883567097576710 ~2005
2835587543567117508710 ~2005
2835600623567120124710 ~2005
28356373611701382416711 ~2006
28356804592268544367311 ~2006
2835769523567153904710 ~2005
28358413632835841363111 ~2007
2835999671567199934310 ~2005
28361246336806699119311 ~2007
28363057334538089172911 ~2007
2836326491567265298310 ~2005
2836327139567265427910 ~2005
2836370111567274022310 ~2005
3851
GIMPS The Prime Pages FactorDb.com
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25-04-13