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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
3891721622675378 ~1985
3891821311345698 ~1984
3891913233514798 ~1984
3891977311358178 ~1984
389215177843037 ~1982
3892183622749298 ~1985
3892279389227918 ~1984
3892741233564478 ~1984
3892817311425378 ~1984
3892877233572638 ~1984
3892907311432578 ~1984
389294377858877 ~1982
389306377861277 ~1982
3893173622907698 ~1985
3893497233609838 ~1984
3893609545105278 ~1985
389375977875197 ~1982
3894043389404318 ~1984
3894223623075698 ~1985
3894307623089138 ~1985
3894347700982478 ~1985
3894481233668878 ~1984
3894619389461918 ~1984
389504377900877 ~1982
3895051389505118 ~1984
Exp. Prime Factor Digits Year
3895097233705838 ~1984
389534377906877 ~1982
3895391311631298 ~1984
3895481311638498 ~1984
3895571311645698 ~1984
389569177913837 ~1982
3895721311657698 ~1984
3895733233743998 ~1984
3895747623319538 ~1985
3896219311697538 ~1984
3896317935116098 ~1985
3896357311708578 ~1984
3896561311724898 ~1984
3896597311727778 ~1984
3896801233808078 ~1984
3896887389688718 ~1984
3896887701439678
389699977939997 ~1982
389705977941197 ~1982
389720377944077 ~1982
3897359935366178 ~1985
389761177952237 ~1982
3897611311808898
389767177953437 ~1982
3897797311823778 ~1984
Exp. Prime Factor Digits Year
3897827311826178 ~1984
389801977960397 ~1982
3898073233884398 ~1984
3898123623699698 ~1985
3898177233890638 ~1984
389831977966397 ~1982
3898373233902398 ~1984
389837977967597 ~1982
3898513233910798 ~1984
3898513935643138
3898633233917998 ~1984
3898637311890978 ~1984
3898757233925438 ~1984
389887177977437 ~1982
389894377978877 ~1982
389899177979837 ~1982
3899057311924578 ~1984
3899153545881438 ~1985
389927977985597 ~1982
3899353233961198 ~1984
3899407389940718 ~1984
389977177995437 ~1982
38998093431831939 ~1986
3900167312013378 ~1984
3900223624035698 ~1985
Exp. Prime Factor Digits Year
3900227702040878 ~1985
3900367624058738 ~1985
39005811170174319 ~1985
390062378012477 ~1982
3900733624117298 ~1985
390083978016797 ~1982
3900937234056238 ~1984
3901201234072078 ~1984
390122378024477 ~1982
39012236319981279
3901333234079998 ~1984
3901369858301198 ~1985
390151178030237 ~1982
3901531624244978 ~1985
390157178031437 ~1982
3901571312125698
39016731248535379 ~1985
3901853234111198 ~1984
3901867390186718 ~1984
3902053858451678 ~1985
39021491873031539 ~1986
390221978044397 ~1982
3902237312178978 ~1984
390235178047037 ~1982
3902441234146478 ~1984
582
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25-04-13