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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
526693431053386879 ~1991
526693613160161679 ~1993
526698111053396239 ~1991
526712574213700579 ~1993
52671257294959039310
526713831053427679 ~1991
526725231053450479 ~1991
526735213160411279 ~1993
526750191053500399 ~1991
526757391053514799 ~1991
526765374214122979 ~1993
526768218428291379 ~1994
526772631053545279 ~1991
526774311053548639 ~1991
526777911053555839 ~1991
526778533160671199 ~1993
52678253126427807310 ~1994
526795311053590639 ~1991
526811991053623999 ~1991
526814391053628799 ~1991
526815373160892239 ~1993
526821111053642239 ~1991
526832031053664079 ~1991
526836231053672479 ~1991
526844031053688079 ~1991
Exponent Prime Factor Digits Year
526848111053696239 ~1991
526848831053697679 ~1991
526852911053705839 ~1991
526854111053708239 ~1991
526860973161165839 ~1993
526861494214891939 ~1993
526861911053723839 ~1991
526880874215046979 ~1993
526880879483855679
526884294215074339 ~1993
526897794215182339 ~1993
526902831053805679 ~1991
526904337376660639 ~1993
526915911053831839 ~1991
526927791053855599 ~1991
526931391053862799 ~1991
526952391053904799 ~1991
52696529126471669710 ~1994
526972013161832079 ~1993
526972373161834239 ~1993
52697803221330772710 ~1995
526978911053957839 ~1991
526986831053973679 ~1991
526991835269918319 ~1993
526996311053992639 ~1991
Exponent Prime Factor Digits Year
526997991053995999 ~1991
527015533162093199 ~1993
52701793115943944710 ~1994
527019591054039199 ~1991
527032013162192079 ~1993
527032014216256099
527040231054080479 ~1991
527041911054083839 ~1991
527045631054091279 ~1991
527058831054117660111 ~1996
527066631054133279 ~1991
527068311054136639 ~1991
527075031054150079 ~1991
527077573162465439 ~1993
527077791054155599 ~1991
527079231054158479 ~1991
52708727347877598310 ~1995
527099631054199279 ~1991
52710107263550535110 ~1995
527117879488121679 ~1994
527119311054238639 ~1991
527141214217129699 ~1993
527151111054302239 ~1991
527151711054303439 ~1991
527154231054308479 ~1991
Exponent Prime Factor Digits Year
527160711054321439 ~1991
527162631054325279 ~1991
527164791054329599 ~1991
527170733163024399 ~1993
527171631054343279 ~1991
527175591054351199 ~1991
527180337380524639 ~1993
527183391054366799 ~1991
527185311054370639 ~1991
527186511054373039 ~1991
527217591054435199 ~1991
527219391054438799 ~1991
527224791054449599 ~1991
527235894217887139 ~1993
52723861537783382310 ~1996
527253773163522639 ~1993
527255813163534879 ~1993
527275374218202979 ~1993
527275791054551599 ~1991
527289973163739839 ~1993
52729219179279344710 ~1994
527296191054592399 ~1991
527314613163887679 ~1993
527316831054633679 ~1991
527327479491894479 ~1994
2379
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26-09-27