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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
69183434427739539 ~1988
69183471245302479 ~1987
69185531106968499 ~1987
6918619691861918 ~1986
6918731138374638 ~1984
6918749968624878 ~1986
69188513459425519 ~1988
69189791245416239 ~1987
6919271138385438 ~1984
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
Exp. Prime Factor Digits Year
6921139692113918 ~1986
6921157415269438 ~1986
6921179138423598 ~1984
6921503138430078 ~1984
6921793415307598 ~1986
6921917553753378 ~1986
6922319138446398 ~1984
6922523138450478 ~1984
6922541553803298 ~1986
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
Exp. Prime Factor Digits Year
6925211138504238 ~1984
6925283138505678 ~1984
6925301554024098 ~1986
6925319554025538 ~1986
6925559138511198 ~1984
6925559554044738
6925571138511438 ~1984
69255731108091699 ~1987
6925631138512638 ~1984
6925643138512878 ~1984
6925781554062498 ~1986
6925799138515998 ~1984
6925931138518638 ~1984
69260571662253699 ~1987
69261071662265699 ~1987
69263471662323299 ~1987
6926399138527998 ~1984
6926461415587678 ~1986
69266511246797199 ~1987
6927023138540478 ~1984
6927247692724718 ~1986
6927373415642398 ~1986
6927803138556078 ~1984
6927863138557278 ~1984
6927971138559438 ~1984
Exp. Prime Factor Digits Year
69280911247056399 ~1987
69282473325558579 ~1988
6928421415705278 ~1986
6928517969992398 ~1986
69286095404315039 ~1988
6928667554293378 ~1986
6928679138573598 ~1984
6928703138574078 ~1984
6929267594531108710 ~1991
6929339138586798 ~1984
69293592771743619 ~1988
6929519138590398 ~1984
6929983692998318 ~1986
6929987554398978 ~1986
6930023138600478 ~1984
6930191138603838 ~1984
6930323138606478 ~1984
6930641415838478 ~1986
6930719138614398 ~1984
6930779138615598 ~1984
6930851138617038 ~1984
6930853415851198 ~1986
6931097554487778 ~1986
6931207693120718 ~1986
6931283138625678 ~1984
845
GIMPS The Prime Pages FactorDb.com
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25-11-02