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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
2495241923499048384710 ~2004
24952914837984932745711 ~2007
2495470871499094174310 ~2004
2495509031499101806310 ~2004
24955101531497306091911 ~2006
24955413173493757843911 ~2006
2495626319499125263910 ~2004
24956442591996515407311 ~2006
2495673371499134674310 ~2004
2495764091499152818310 ~2004
2495808719499161743910 ~2004
2495985671499197134310 ~2004
2496067991499213598310 ~2004
2496151643499230328710 ~2004
2496175859499235171910 ~2004
24962404731497744283911 ~2006
24963645371497818722311 ~2006
2496466919499293383910 ~2004
2496467243499293448710 ~2004
2496498839499299767910 ~2004
2496610223499322044710 ~2004
2496650003499330000710 ~2004
24966548511997323880911 ~2006
249666513111983992628912 ~2008
2496781103499356220710 ~2004
Exponent Prime Factor Digits Year
24968916891997513351311 ~2006
24969211032496921103111 ~2006
2496956771499391354310 ~2004
24969957971498197478311 ~2006
2497005359499401071910 ~2004
2497102259499420451910 ~2004
2497210151499442030310 ~2004
24972612973995618075311 ~2007
24973006911997840552911 ~2006
24973330371498399822311 ~2006
2497467191499493438310 ~2004
2497562339499512467910 ~2004
24976025531498561531911 ~2006
2497665479499533095910 ~2004
2497708463499541692710 ~2004
2497760519499552103910 ~2004
2497774211499554842310 ~2004
2497936691499587338310 ~2004
2497967723499593544710 ~2004
2498002079499600415910 ~2004
2498094251499618850310 ~2004
249812151111990983252912 ~2008
2498338943499667788710 ~2004
2498340263499668052710 ~2004
2498775203499755040710 ~2004
Exponent Prime Factor Digits Year
2498821691499764338310 ~2004
2498925083499785016710 ~2004
24989317331499359039911 ~2006
2499038891499807778310 ~2004
2499055943499811188710 ~2004
2499192791499838558310 ~2004
2499274931499854986310 ~2004
2499539411499907882310 ~2004
249970389110498756342312 ~2008
24997736592499773659111 ~2006
2499804383499960876710 ~2004
2499813623499962724710 ~2004
2499832151499966430310 ~2004
24998770971499926258311 ~2006
2500223171500044634310 ~2004
2500225151500045030310 ~2004
2500302743500060548710 ~2004
2500496879500099375910 ~2004
2500576283500115256710 ~2004
2500661279500132255910 ~2004
2500676063500135212710 ~2004
2500946999500189399910 ~2004
2500956791500191358310 ~2004
250104639713505650543912 ~2008
2501049731500209946310 ~2004
Exponent Prime Factor Digits Year
2501064851500212970310 ~2004
25012322592501232259111 ~2006
2501250659500250131910 ~2004
25012727573501781859911 ~2006
2501316791500263358310 ~2004
2501466059500293211910 ~2004
25014863331500891799911 ~2006
25014930314002388849711 ~2007
2501678603500335720710 ~2004
2501750939500350187910 ~2004
25017587392001406991311 ~2006
250179861723516906999912 ~2008
25019066693502669336711 ~2006
2501936999500387399910 ~2004
2501977631500395526310 ~2004
2502167051500433410310 ~2004
25021817692001745415311 ~2006
2502203351500440670310 ~2004
25022070771501324246311 ~2006
2502254351500450870310 ~2004
2502305243500461048710 ~2004
2502365699500473139910 ~2004
2502385331500477066310 ~2004
2502433259500486651910 ~2004
25025160011501509600711 ~2006
3876
GIMPS The Prime Pages FactorDb.com
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25-06-01