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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
497410021919948200438311 ~2015
497430408719948608174311 ~2015
497439205439948784108711 ~2015
4974462064129846772384712 ~2016
497495329919949906598311 ~2015
497552065319951041306311 ~2015
497570130839951402616711 ~2015
4975921956129855531736712 ~2016
497626698119952533962311 ~2015
497644354439952887088711 ~2015
497659798319953195966311 ~2015
497676122999953522459911 ~2015
497707772639954155452711 ~2015
4977126505329862759031912 ~2016
497732827319954656546311 ~2015
497746854599954937091911 ~2015
497766974999955339499911 ~2015
497775993839955519876711 ~2015
497794032592757...40548714 2024
4977942906129867657436712 ~2016
497804790719956095814311 ~2015
497804967239956099344711 ~2015
4978119588129868717528712 ~2016
4978180433939825443471312 ~2016
497825283599956505671911 ~2015
Exponent Prime Factor Dig. Year
497875511999957510239911 ~2015
4978910577149789105771112 ~2016
4979076988739832615909712 ~2016
497968181399959363627911 ~2015
497991262919959825258311 ~2015
4980156696129880940176712 ~2016
498039835919960796718311 ~2015
498048490199960969803911 ~2015
498066678719961333574311 ~2015
498107078519962141570311 ~2015
498113626319962272526311 ~2015
498133989839962679796711 ~2015
4982054246969748759456712 ~2017
498230588999964611779911 ~2015
498263338919965266778311 ~2015
498265644239965312884711 ~2015
498282909839965658196711 ~2015
498327458999966549179911 ~2015
4983584089729901504538312 ~2016
498390300119967806002311 ~2015
498401702519968034050311 ~2015
4984024711139872197688912 ~2016
498432390018004...83560714 2025
498448253519968965070311 ~2015
4984519353729907116122312 ~2016
Exponent Prime Factor Dig. Year
498496370039969927400711 ~2015
498569263919971385278311 ~2015
498578498039971569960711 ~2015
4985831461329914988767912 ~2016
498614256239972285124711 ~2015
498614998799972299975911 ~2015
498619493639972389872711 ~2015
498628908239972578164711 ~2015
498630085799972601715911 ~2015
498641951039972839020711 ~2015
4986643651949866436519112 ~2016
498666928199973338563911 ~2015
498722923319974458466311 ~2015
498749111399974982227911 ~2015
498755409839975108196711 ~2015
498780801599975616031911 ~2015
498805667519976113350311 ~2015
498820275239976405504711 ~2015
4988458991369838425878312 ~2017
498889909199977798183911 ~2015
498893236199977864723911 ~2015
498910002839978200056711 ~2015
498925874639978517492711 ~2015
4989323893739914591149712 ~2016
498932479199978649583911 ~2015
Exponent Prime Factor Dig. Year
4989390003729936340022312 ~2016
498951852119979037042311 ~2015
498952650119979053002311 ~2015
498969743399979394867911 ~2015
498993556199979871123911 ~2015
499038256199980765123911 ~2015
499064806199981296123911 ~2015
499071775971467...21351914 2024
499111903799982238075911 ~2015
4991228587729947371526312 ~2016
499132205039982644100711 ~2015
4991390136129948340816712 ~2016
499156499999983129999911 ~2015
499168369799983367395911 ~2015
499209849239984196984711 ~2015
4992514468129955086808712 ~2016
499269360719985387214311 ~2015
499278571818377...34971914 2023
499322158919986443178311 ~2015
499370060519987401210311 ~2015
4993737845329962427071912 ~2016
499482944999989658899911 ~2015
4995473646749954736467112 ~2016
4995505086129973030516712 ~2016
4995812434349958124343112 ~2016
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