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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.
Exp. Prime Factor Digits Year
392287178457437 ~1982
39230471333835999 ~1985
392309978461997 ~1982
3923263627722098 ~1985
392339978467997 ~1982
39234011569360419 ~1986
3923417313873378 ~1984
39235271333999199 ~1985
3923609313888738 ~1984
392372378474477 ~1982
392396378479277 ~1982
392408378481677 ~1982
3924209313936738 ~1984
3924293235457598 ~1984
3924497549429598 ~1985
3924581313966498 ~1984
39249291491473039 ~1986
3924937235496238 ~1984
3925193235511598 ~1984
3925357235521438 ~1984
3925459942110178 ~1985
3925613942147138 ~1985
39256311256201939 ~1985
3925637549589198 ~1985
392573978514797 ~1982
Exp. Prime Factor Digits Year
3925877314070178 ~1984
3925927392592718 ~1984
3926017235561038 ~1984
3926113628178098 ~1985
3926203392620318 ~1984
3926297235577838 ~1984
3926297314103778
39265611177968319 ~1985
39266031020916799 ~1985
3926707392670718 ~1984
3926771314141698 ~1984
39268272277559679 ~1986
392696378539277 ~1982
3927097628335538 ~1985
3927113549795838 ~1985
392725178545037 ~1982
392729978545997 ~1982
39272991963649519
392741978548397 ~1982
3927449314195938 ~1984
392755178551037 ~1982
392761178552237 ~1982
3927929314234338 ~1984
392801978560397 ~1982
392816378563277 ~1982
Exp. Prime Factor Digits Year
3928667314293378 ~1984
392870378574077 ~1982
3928721235723278 ~1984
392906378581277 ~1982
3929249314339938 ~1984
392929178585837 ~1982
3929417235765038 ~1984
3929479392947918 ~1984
392953178590637 ~1982
3929657235779438 ~1984
39297291493297039 ~1986
3929741235784478 ~1984
3929957314396578 ~1984
3929977235798638 ~1984
3930221314417698 ~1984
3930331628852978 ~1985
3930517943324098 ~1985
39305411179162319 ~1985
393061178612237 ~1982
3930613628898098 ~1985
393068378613677 ~1982
3931087707595678 ~1985
3931261629001778 ~1985
3931349550388878 ~1985
3931379314510338 ~1984
Exp. Prime Factor Digits Year
393146378629277 ~1982
3931517314521378 ~1984
393152378630477 ~1982
3931649314531938 ~1984
3931721235903278 ~1984
3931933865025278 ~1985
393206378641277 ~1982
3932077629132338 ~1985
393239978647997 ~1982
3932503393250318 ~1984
3932657550571998 ~1985
3932717314617378 ~1984
3932861314628898 ~1984
393311978662397 ~1982
393313178662637 ~1982
3933233235993998 ~1984
3933337236000238 ~1984
393343178668637 ~1982
3933569314685538 ~1984
3933577236014638 ~1984
3933731314698498 ~1984
3933871708096798 ~1985
3934261629481778 ~1985
393449978689997 ~1982
393458378691677 ~1982
589
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25-06-01