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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
3851747308139778 ~1984
3851747693314478
3851779693320238 ~1985
385181977036397 ~1982
3852019385201918 ~1984
385205977041197 ~1982
3852257231135438 ~1984
385226377045277 ~1982
3852361231141678 ~1984
385253977050797 ~1982
385268377053677 ~1982
385292377058477 ~1982
3853093231185598 ~1984
385316377063277 ~1982
3853313231198798 ~1984
385337977067597 ~1982
385340377068077 ~1982
385351177070237 ~1982
3853669847807198 ~1985
3853697924887298 ~1985
3853757308300578 ~1984
3853873231232398 ~1984
385400377080077 ~1982
385409977081997 ~1982
38541532389574879 ~1986
Exp. Prime Factor Digits Year
3854197231251838 ~1984
3854251616680178 ~1985
3854471308357698 ~1984
3854573231274398 ~1984
3854681308374498 ~1984
3854717206612831310 ~1988
385478377095677 ~1982
38549333083946419 ~1986
385508377101677 ~1982
3855179108716047910 ~1988
3855287308422978 ~1984
38552871002374639
3855331385533118 ~1984
385535977107197 ~1982
385543177108637 ~1982
38555032159081699 ~1986
385553977110797 ~1982
3855781231346878 ~1984
385585177117037 ~1982
38558511850808499
3855913231354798 ~1984
385619977123997 ~1982
3856381231382878 ~1984
385640377128077 ~1982
3856537617045938 ~1985
Exp. Prime Factor Digits Year
3856561231393678 ~1984
385663177132637 ~1982
3856733231403998 ~1984
3856793539951038 ~1984
3857081231424878 ~1984
3857297540021598 ~1984
3857309308584738 ~1984
3857369166638340910 ~1988
3857449848638798 ~1985
3857681231460878 ~1984
3857873231472398 ~1984
3857873540102238
385819177163837 ~1982
385825177165037 ~1982
3858401308672098 ~1984
3858523385852318 ~1984
3858593231515598 ~1984
385867177173437 ~1982
3858721617395378 ~1985
38587611466329199 ~1986
385883977176797 ~1982
3858901231534078 ~1984
38590675557056499 ~1987
385913977182797 ~1982
385925977185197 ~1982
Exp. Prime Factor Digits Year
3859333231559998 ~1984
3859517308761378 ~1984
3859573617531698 ~1985
3859673231580398 ~1984
3859693231581598 ~1984
3859787308782978 ~1984
3859829308786338 ~1984
3859939926385378 ~1985
3860023386002318 ~1984
38600298028860339 ~1987
386012377202477 ~1982
3860231308818498 ~1984
3860347386034718 ~1984
386047177209437 ~1982
3860489308839138 ~1984
3860561308844898 ~1984
3860641617702578 ~1985
3860821617731378 ~1985
3860867308869378 ~1984
3860893926614338 ~1985
3860953926628738 ~1985
386105977221197 ~1982
386108377221677 ~1982
3861233231673998 ~1984
3861337231680238 ~1984
580
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25-05-04