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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
3784657227079438 ~1984
3784657605545138
378469175693837 ~1982
3784747605559538 ~1985
3784813832658878 ~1985
378491975698397 ~1982
37851495450614579 ~1987
3785153908436738 ~1985
378529175705837 ~1982
3785549302843938 ~1984
378565175713037 ~1982
378613175722637 ~1982
3786271378627118 ~1984
3786481227188878 ~1984
3786493227189598 ~1984
3786689302935138 ~1984
3786703908808738 ~1985
378680375736077 ~1982
3786857530159998 ~1984
3787067302965378 ~1984
3787163984662398 ~1985
3787321227239278 ~1984
3787367984715438 ~1985
378739175747837 ~1982
3787529909006978 ~1985
Exp. Prime Factor Digits Year
378769175753837 ~1982
3787759378775918 ~1984
37877691212086099 ~1985
3787877530302798 ~1984
3787961227277678 ~1984
3787981833355838 ~1985
3787997909119298 ~1985
3788041227282478 ~1984
378815975763197 ~1982
378824375764877 ~1982
378830375766077 ~1982
378842375768477 ~1982
378863975772797 ~1982
3788833227329998 ~1984
378890375778077 ~1982
3789029530464078 ~1984
378911975782397 ~1982
3789131682043598 ~1985
378914375782877 ~1982
378923975784797 ~1982
3789277227356638 ~1984
3789337227360238 ~1984
3789413227364798 ~1984
3789713530559838 ~1984
378983975796797 ~1982
Exp. Prime Factor Digits Year
37898594926816719 ~1987
3789883606381298 ~1985
37902294169251919 ~1987
3790517530672398 ~1984
37905592805013679 ~1986
379073975814797 ~1982
3790757227445438 ~1984
379076375815277 ~1982
3790889303271138 ~1984
3791231985720078 ~1985
379130375826077 ~1982
3791339909921378 ~1985
3791479682466238 ~1985
3791497227489838 ~1984
37915092729886499 ~1986
3791551606648178 ~1985
3791651303332098 ~1984
3791701227502078 ~1984
3791807303344578 ~1984
3791981227518878 ~1984
3792029530884078 ~1984
3792149303371938 ~1984
379217975843597 ~1982
3792367606778738 ~1985
3792487379248718 ~1984
Exp. Prime Factor Digits Year
3792487606797938
379273175854637 ~1982
37928572958428479 ~1986
3792979910314978 ~1985
379298375859677 ~1982
379301975860397 ~1982
37930391517215619 ~1986
379319975863997 ~1982
3793199303455938
3793241303459298 ~1984
3793457531083998 ~1984
3793613227616798 ~1984
37938071821027379 ~1986
379393175878637 ~1982
3794081227644878 ~1984
3794137106235836110 ~1988
3794279682970238 ~1985
379471175894237 ~1982
379489175897837 ~1982
379495175899037 ~1982
379505975901197 ~1982
3795091607214578 ~1985
3795221227713278 ~1984
379525175905037 ~1982
37954011442252399 ~1985
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25-06-01