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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
454976390995277 ~1983
454985990997197 ~1983
454994390998877 ~1983
4550009637001278 ~1985
45501972093090639 ~1986
45502631911110479 ~1986
45503171365095119 ~1986
4550347728055538 ~1985
4550431728068978 ~1985
4550489637068478 ~1985
4550789364063138 ~1984
4550839455083918 ~1985
455087991017597 ~1983
4550933273055998 ~1984
45509931092238339 ~1986
45509933276714979
455102391020477 ~1983
45510231911429679
4551137273068238 ~1984
45513075188489999 ~1987
455167191033437 ~1983
4551737637243198 ~1985
455192391038477 ~1983
4552033273121998 ~1984
455213991042797 ~1983
Exp. Prime Factor Digits Year
45521511183559279 ~1986
45521872185049779 ~1986
455221191044237 ~1983
455228391045677 ~1983
455240391048077 ~1983
4552573273154398 ~1984
45526491092635779 ~1986
4552661364212898 ~1984
4552831455283118 ~1985
4553033273181998 ~1984
455309991061997 ~1983
455330391066077 ~1983
4553371455337118 ~1985
4553431455343118 ~1985
4553447364275778 ~1984
455357991071597 ~1983
4553611455361118 ~1985
455365191073037 ~1983
455372391074477 ~1983
4553729637522078 ~1985
4553737273224238 ~1984
4553771364301698 ~1984
455381991076397 ~1983
455383191076637 ~1983
4553897273233838 ~1984
Exp. Prime Factor Digits Year
455390391078077 ~1983
455399991079997 ~1983
455408391081677 ~1983
4554133273247998 ~1984
4554331728692978 ~1985
4554553273273198 ~1984
4554577273274638 ~1984
455461191092237 ~1983
4554617637646398 ~1985
4554821273289278 ~1984
455498391099677 ~1983
455509191101837 ~1983
4555121273307278 ~1984
455513991102797 ~1983
455515191103037 ~1983
4555153728824498 ~1985
45552411366572319 ~1986
455531991106397 ~1983
455551191110237 ~1983
4555613273336798 ~1984
4555897273353838 ~1984
4556147364491778 ~1984
455615991123197 ~1983
455642391128477 ~1983
4556873273412398 ~1984
Exp. Prime Factor Digits Year
4556911820243998 ~1985
455693991138797 ~1983
4556953273417198 ~1984
455699991139997 ~1983
45571431458285779 ~1986
4557521273451278 ~1984
455771991154397 ~1983
45577191093852579
4557941364635298 ~1984
455801991160397 ~1983
45585015470201219 ~1987
4558553273513198 ~1984
4558657273519438 ~1984
455894391178877 ~1983
455906391181277 ~1983
455927991185597 ~1983
4559447820700478 ~1985
4559531364762498 ~1984
4559539455953918 ~1985
4559593273575598 ~1984
4559647455964718 ~1985
4559693273581598 ~1984
4559803455980318 ~1985
4559813638373838 ~1985
45599691732788239 ~1986
642
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25-05-04