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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
39072071875459379 ~1986
3907499312599938 ~1984
390752378150477 ~1982
3907529547054078 ~1985
39077271016009039 ~1985
390781178156237 ~1982
3907811312624898
3907817234469038 ~1984
3907817312625378
390791978158397 ~1982
39080171172405119 ~1985
3908291312663298 ~1984
3908339312667138 ~1984
390836378167277 ~1982
3908441312675298 ~1984
3908477234508638 ~1984
3908497234509838 ~1984
3908561234513678 ~1984
3908581234514878 ~1984
390871178174237 ~1982
3908753234525198 ~1984
39088931172667919 ~1985
3909127390912718 ~1984
3909341234560478 ~1984
39095232814856579 ~1986
Exp. Prime Factor Digits Year
39095475395174879 ~1987
3909559703720638 ~1985
39096132502152339 ~1986
3909617234577038 ~1984
3909733625557298 ~1985
3909761312780898 ~1984
3910003391000318 ~1984
391003178200637 ~1982
391007978201597 ~1982
3910121234607278 ~1984
3910261234615678 ~1984
3910337312826978 ~1984
3910349547448878 ~1985
39103974692476419 ~1987
3910477234628638 ~1984
39106611251411539 ~1985
391069178213837 ~1982
3910981234658878 ~1984
3910999391099918 ~1984
391111178222237 ~1982
391112378222477 ~1982
3911179391117918 ~1984
3911203625792498 ~1985
3911251391125118 ~1984
391127978225597 ~1982
Exp. Prime Factor Digits Year
391133978226797 ~1982
391142378228477 ~1982
391171178234237 ~1982
391187978237597 ~1982
3912239312979138 ~1984
391226378245277 ~1982
3912319391231918 ~1984
3912481234748878 ~1984
391271978254397 ~1982
3912749313019938 ~1984
3912893234773598 ~1984
3912947313035778 ~1984
391310378262077 ~1982
3913109313048738 ~1984
3913181234790878 ~1984
3913277234796638 ~1984
3913513234810798 ~1984
39135611174068319 ~1985
391358378271677 ~1982
3913589547902478 ~1985
3913807626209138 ~1985
3913963391396318 ~1984
3913963626234098
391399178279837 ~1982
39139931800436799 ~1986
Exp. Prime Factor Digits Year
3914179704552238 ~1985
3914201234852078 ~1984
3914221234853278 ~1984
391427978285597 ~1982
391430378286077 ~1982
3914353234861198 ~1984
39144611878941299 ~1986
3914593234875598 ~1984
391469978293997 ~1982
3914873234892398 ~1984
3914873548082238
3914891313191298 ~1984
3914921234895278 ~1984
3914921313193698
3915061234903678 ~1984
3915077234904638 ~1984
391525178305037 ~1982
3915257548135998 ~1985
3915341234920478 ~1984
3915433626469298 ~1985
3915487704787678 ~1985
3915511391551118 ~1984
391573178314637 ~1982
3915781234946878 ~1984
3915937234956238 ~1984
585
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25-05-04