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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
4356221261373278 ~1984
4356257261375438 ~1984
435643187128637 ~1983
435650387130077 ~1983
435656387131277 ~1983
43565633136725379
435679187135837 ~1983
4356841261410478 ~1984
43568871045652899 ~1985
4356899348551938 ~1984
4357201261432078 ~1984
4357459435745918 ~1985
435757187151437 ~1983
4357889348631138 ~1984
435794387158877 ~1983
4358191435819118 ~1985
4358281261496878 ~1984
4358281697324978
4358539125525923310 ~1988
43587473225472799 ~1987
4358789348703138 ~1984
4358909348712738 ~1984
4358969610255678 ~1985
4359281261556878 ~1984
43593191046236579 ~1985
Exp. Prime Factor Digits Year
4359739784753038 ~1985
4359787435978718 ~1985
4360123436012318 ~1985
43602071744082819 ~1986
4360229610432078 ~1985
43602292092909939
4360333959273278 ~1985
43603331046479939
4360373261622398 ~1984
4360393697662898 ~1985
4360459436045918 ~1985
4360651697704178 ~1985
436067987213597 ~1983
436103987220797 ~1983
436118387223677 ~1983
43612071046689699 ~1985
4361263436126318 ~1985
4361419785055438 ~1985
4361473261688398 ~1984
436169987233997 ~1983
436171187234237 ~1983
4362109959663998 ~1985
4362167348973378 ~1984
4362367785226078 ~1985
4362461261747678 ~1984
Exp. Prime Factor Digits Year
4362481261748878 ~1984
43625211396006739 ~1986
436255187251037 ~1983
4362593610763038 ~1985
4362601261756078 ~1984
4362629349010338 ~1984
4362641349011298 ~1984
4362653610771438 ~1985
4362689349015138 ~1984
4362797610791598 ~1985
43629831134375599 ~1986
4363049349043938 ~1984
436322387264477 ~1983
43632431483502639 ~1986
4363267436326718 ~1985
4363267698122738
43633211308996319 ~1986
436363187272637 ~1983
4363637349090978 ~1984
4363651436365118 ~1985
43637031832755279 ~1986
4364021261841278 ~1984
4364233261853998 ~1984
436430387286077 ~1983
4364351349148098 ~1984
Exp. Prime Factor Digits Year
4364383698301298 ~1985
43645192182259519 ~1986
4364533261871998 ~1984
4364621349169698 ~1984
436466387293277 ~1983
4364741349179298 ~1984
436477187295437 ~1983
43647831396730579 ~1986
4364947436494718 ~1985
436499987299997 ~1983
436514387302877 ~1983
4365287349222978 ~1984
43653971047695299 ~1985
4365521261931278 ~1984
4365793261947598 ~1984
4365961698553778 ~1985
436607987321597 ~1983
436640387328077 ~1983
4366469611305678 ~1985
4366519436651918 ~1985
4366639436663918 ~1985
4366727349338178 ~1984
4366781262006878 ~1984
4366811786025998 ~1985
4366847349347778 ~1984
641
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25-11-17