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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 Dig. Year
396417743397928354867911 ~2014
3964326593323785959559912 ~2015
3964427064123786562384712 ~2015
396477319437929546388711 ~2014
396486001437929720028711 ~2014
396504088797930081775911 ~2014
396524550717930491014311 ~2014
396591906117931838122311 ~2014
396597934197931958683911 ~2014
3966450496731731603973712 ~2015
396682692717933653854311 ~2014
396696593037933931860711 ~2014
396699221397933984427911 ~2014
396699975837933999516711 ~2014
396728701797934574035911 ~2014
396785129997935702599911 ~2014
3967868098339678680983112 ~2015
3968070961723808425770312 ~2015
396832313637936646272711 ~2014
396839913837936798276711 ~2014
396856566837937131336711 ~2014
396858084717937161694311 ~2014
396873533517937470670311 ~2014
3968827033723812962202312 ~2015
396889322332595...68038314 2024
Exponent Prime Factor Dig. Year
396897244797937944895911 ~2014
396911396397938227927911 ~2014
3969137977323814827863912 ~2015
3969287966931754303735312 ~2015
3969313204131754505632912 ~2015
396934590837938691816711 ~2014
396948058317938961166311 ~2014
396972281997939445639911 ~2014
3969922048731759376389712 ~2015
397027531197940550623911 ~2014
397093210317941864206311 ~2014
3970941346131767530768912 ~2015
397095701571580...92248714 2025
397123234197942464683911 ~2014
3971435237323828611423912 ~2015
397150133397943002667911 ~2014
397160021037943200420711 ~2014
397172293797943445875911 ~2014
3971817052131774536416912 ~2015
397183183197943663663911 ~2014
397189109997943782199911 ~2014
397208565237944171304711 ~2014
397216911117944338222311 ~2014
397250855517945017110311 ~2014
397263816597945276331911 ~2014
Exponent Prime Factor Dig. Year
3972701506123836209036712 ~2015
397292087037945841740711 ~2014
3972975295723837851774312 ~2015
397306257237946125144711 ~2014
397320073197946401463911 ~2014
3973248202131785985616912 ~2015
3973310514163572968225712 ~2016
3973598814123841592884712 ~2015
397395767637947915352711 ~2014
397403854917948077098311 ~2014
397444903197948898063911 ~2014
3974736137323848416823912 ~2015
397474955037949499100711 ~2014
3974750821723848504930312 ~2015
3975174325971553137866312 ~2016
397521121437950422428711 ~2014
397560388797951207775911 ~2014
397565360037951307200711 ~2014
3975948499131807587992912 ~2015
3976425715731811405725712 ~2015
397644545997952890919911 ~2014
397652517237953050344711 ~2014
397704176517954083530311 ~2014
3977269667323863618003912 ~2015
397728895437954577908711 ~2014
Exponent Prime Factor Dig. Year
397747706037954954120711 ~2014
397758654717955173094311 ~2014
3977717306931821738455312 ~2015
397827539814041...04469714 2024
397836070917956721418311 ~2014
3978495021139784950211112 ~2016
397854154317957083086311 ~2014
397854895917957097918311 ~2014
397859575917957191518311 ~2014
397870043637957400872711 ~2014
397925199892387...99340114 2024
397933873917958677478311 ~2014
397937048037958740960711 ~2014
397943356317958867126311 ~2014
397956527637959130552711 ~2014
397958619717959172394311 ~2014
397972849317959456986311 ~2014
3979832951323878997707912 ~2015
397986026637959720532711 ~2014
397992975237959859504711 ~2014
398045040117960900802311 ~2014
3980715070731845720565712 ~2015
3980812657323884875943912 ~2015
398085382197961707643911 ~2014
398119909797962398195911 ~2014
4613
GIMPS The Prime Pages FactorDb.com
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25-04-13