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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.
Exponent Prime Factor Digits Year
279457612235660899 ~1991
27946703558934078 ~1989
27946799558935998 ~1989
27946823558936478 ~1989
27947063558941278 ~1989
279476414471622579 ~1991
279478971676873839 ~1990
27947999558959998 ~1989
27948023558960478 ~1989
279482531676895199 ~1990
27948311558966238 ~1989
27948551558971038 ~1989
27949403558988078 ~1989
279494232794942319 ~1991
27949423117387576710
27949451558989038 ~1989
279504915031088399 ~1991
27950963559019278 ~1989
27951263559025278 ~1989
27951551559031038 ~1989
27951659559033198 ~1989
27952499559049998 ~1989
27952643559052878 ~1989
27953171559063438 ~1989
27953591559071838 ~1989
Exponent Prime Factor Digits Year
27953699559073998 ~1989
27955139559102798 ~1989
27955379559107598 ~1989
279557715032038799 ~1991
27956303559126078 ~1989
279565632795656319 ~1991
27956651559133038 ~1989
27957119559142398 ~1989
27957323559146478 ~1989
279577011677462079 ~1990
27957731559154638 ~1989
279587693914227679 ~1991
27958919559178398 ~1989
27959111559182238 ~1989
27959819559196398 ~1989
27959843559196878 ~1989
27961259559225198 ~1989
279615531677693199 ~1990
27962183559243678 ~1989
27962939559258798 ~1989
27963203559264078 ~1989
27963311559266238 ~1989
27963443559268878 ~1989
27963671559273438 ~1989
27963863559277278 ~1989
Exponent Prime Factor Digits Year
27963959559279198 ~1989
27964103559282078 ~1989
27964451559289038 ~1989
27964571559291438 ~1989
27964691559293838 ~1989
27965111559302238 ~1989
279651592237212739 ~1991
27965471559309438 ~1989
27965783559315678 ~1989
27966131559322638 ~1989
27966143559322878 ~1989
279667211678003279 ~1990
27966839559336798 ~1989
27966923559338478 ~1989
279673611678041679 ~1990
27967403559348078 ~1989
27967631559352638 ~1989
27967739559354798 ~1989
27967811559356238 ~1989
27968159559363198 ~1989
279686092237488739 ~1991
27968903559378078 ~1989
27969611559392238 ~1989
27969671559393438 ~1989
279697612237580899 ~1991
Exponent Prime Factor Digits Year
27969803559396078 ~1989
27969971559399438 ~1989
27970583559411678 ~1989
27971551246149648910 ~1993
27971711559434238 ~1989
27972239559444798 ~1989
27973079559461598 ~1989
27973259559465198 ~1989
27973403117488292710 ~1992
27973703559474078 ~1989
27973943559478878 ~1989
27974519559490398 ~1989
279746411678478479 ~1990
27974651559493038 ~1989
279747531678485199 ~1990
279763934476222899 ~1991
27976859559537198 ~1989
27976919559538398 ~1989
27977171559543438 ~1989
27977399559547998 ~1989
279778571678671439 ~1990
27979079559581598 ~1989
27979559559591198 ~1989
27979643559592878 ~1989
279800392238403139 ~1991
1662
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25-04-13