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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
6913799553103938
6913859138277198 ~1984
6913877414832638 ~1986
69139931521078479 ~1987
6914113414846798 ~1986
6914129553130338 ~1986
6914213967989838 ~1986
69142512903985439 ~1988
6914279138285598 ~1984
6914339553147138 ~1986
6914729553178338 ~1986
6914783138295678 ~1984
69147835116939439
6914933414895998 ~1986
6915119138302398 ~1984
6915299138305998 ~1984
6915431138308638 ~1984
6915431553234498
6915851138317038 ~1984
6915911138318238 ~1984
69160271106564339 ~1987
6916313968283838 ~1986
6916439553315138 ~1986
6916493414989598 ~1986
6916697415001838 ~1986
Exp. Prime Factor Digits Year
6916799553343938 ~1986
69168371106693939 ~1987
69169192905105999 ~1988
6916961553356898 ~1986
6917063138341278 ~1984
6917153415029198 ~1986
6917243138344878 ~1984
69173271660158499 ~1987
6917531553402498 ~1986
6917579553406338 ~1986
6917693415061598 ~1986
6917753415065198 ~1986
6917831138356638 ~1984
6918161415089678 ~1986
6918179138363598 ~1984
6918341415100478 ~1986
69183434427739539 ~1988
69183471245302479 ~1987
69185531106968499 ~1987
6918619691861918 ~1986
6918731138374638 ~1984
6918749968624878 ~1986
69188513459425519 ~1988
69189791245416239 ~1987
6919271138385438 ~1984
Exp. Prime Factor Digits Year
6919691138393838 ~1984
6919691553575298
6919879691987918 ~1986
6920189553615138 ~1986
6920219138404398 ~1984
6920279138405598 ~1984
69203411107254579 ~1987
69203713321778099 ~1988
6920423138408478 ~1984
6920477415228638 ~1986
69205211107283379 ~1987
6920741415244478 ~1986
6920939138418798 ~1984
6920939553675138
6920983692098318 ~1986
6921017415261038 ~1986
6921139692113918 ~1986
6921157415269438 ~1986
6921179138423598 ~1984
6921503138430078 ~1984
6921793415307598 ~1986
6921917553753378 ~1986
6922319138446398 ~1984
6922523138450478 ~1984
6922541553803298 ~1986
Exp. Prime Factor Digits Year
6923039553843138 ~1986
6923243138464878 ~1984
6923303138466078 ~1984
6923309553864738 ~1986
6923459138469198 ~1984
6923767692376718 ~1986
6923971692397118 ~1986
69240895400789439 ~1988
6924091692409118 ~1986
6924119138482398 ~1984
6924149553931938 ~1986
69242631800308399 ~1987
6924413969417838 ~1986
69245513462275519 ~1988
6924991692499118 ~1986
6925201415512078 ~1986
6925211138504238 ~1984
6925283138505678 ~1984
6925301554024098 ~1986
6925319554025538 ~1986
6925559138511198 ~1984
6925559554044738
6925571138511438 ~1984
69255731108091699 ~1987
6925631138512638 ~1984
857
GIMPS The Prime Pages FactorDb.com
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26-03-08