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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
377225975445197 ~1982
377227175445437 ~1982
3772493226349598 ~1984
3772577301806178 ~1984
377267975453597 ~1982
3772709301816738 ~1984
3772711377271118 ~1984
3772721298799503310 ~1989
377273975454797 ~1982
37729071810995379 ~1986
377311175462237 ~1982
3773177226390638 ~1984
377341175468237 ~1982
3773501226410078 ~1984
3773639301891138 ~1984
377387975477597 ~1982
3774013603842098 ~1985
377419175483837 ~1982
3774227301938178 ~1984
37742574529108419 ~1987
3774389528414478 ~1984
3774569301965538 ~1984
3774601603936178 ~1985
3774893226493598 ~1984
3774973226498398 ~1984
Exp. Prime Factor Digits Year
37749736266455199
3775201226512078 ~1984
377539175507837 ~1982
377555975511197 ~1982
3775573201615598310 ~1988
3775579377557918 ~1984
377564375512877 ~1982
377576375515277 ~1982
3775777226546638 ~1984
3775973226558398 ~1984
377603975520797 ~1982
377629175525837 ~1982
377647175529437 ~1982
377648375529677 ~1982
377660375532077 ~1982
3776831302146498 ~1984
377689175537837 ~1982
3776933226615998 ~1984
3777187604349938 ~1985
3777307604369138 ~1985
37774011435412399 ~1985
377741975548397 ~1982
3777463604394098 ~1985
377747975549597 ~1982
3777601278031433710 ~1989
Exp. Prime Factor Digits Year
3777671302213698 ~1984
377797175559437 ~1982
3778067680052078 ~1985
3778087377808718 ~1984
3778241226694478 ~1984
377831975566397 ~1982
3778319680097438
377849975569997 ~1982
3778499680129838
3778531604564978 ~1985
377858375571677 ~1982
3778591377859118 ~1984
3778603377860318 ~1984
3778897226733838 ~1984
3778997302319778 ~1984
377918375583677 ~1982
3779249302339938 ~1984
3779329907038978 ~1985
3779473226768398 ~1984
37798131209540179 ~1985
377981975596397 ~1982
3779929907182978 ~1985
3780041226802478 ~1984
378008375601677 ~1982
378019175603837 ~1982
Exp. Prime Factor Digits Year
3780319680457438 ~1985
378050375610077 ~1982
3780559378055918 ~1984
3780793226847598 ~1984
3780857302468578 ~1984
37809291436753039 ~1985
3781087680595678 ~1985
3781277302502178 ~1984
3781303378130318 ~1984
3781387378138718 ~1984
3781457302516578 ~1984
3781507680671278 ~1985
37815172042019199 ~1986
37815433630281299 ~1986
378185975637197 ~1982
37819611210227539 ~1985
3781993226919598 ~1984
3782167605146738 ~1985
378245975649197 ~1982
3782897226973838 ~1984
37828976582240799
378311975662397 ~1982
3783391681010398 ~1985
378349175669837 ~1982
3783497227009838 ~1984
585
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25-10-26