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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
10396040647762376243886312 ~2018
10396496128162378976768712 ~2018
10396797056320793594112712 ~2017
10397276144320794552288712 ~2017
10397665951120795331902312 ~2017
10397774568162386647408712 ~2018
10398309961120796619922312 ~2017
10398797095120797594190312 ~2017
10398839269120797678538312 ~2017
10398883423783191067389712 ~2019
10399028768320798057536712 ~2017
10399628519920799257039912 ~2017
10399840490320799680980712 ~2017
10399948753362399692519912 ~2018
10400186449362401118695912 ~2018
10400196029920800392059912 ~2017
10400476195762402857174312 ~2018
10400596903120801193806312 ~2017
10400811893362404871359912 ~2018
10401809497762410856986312 ~2018
10402893566320805787132712 ~2017
10403179639120806359278312 ~2017
10404122069362424732415912 ~2018
10404568427920809136855912 ~2017
10405141832320810283664712 ~2017
Exponent Prime Factor Dig. Year
1040545608615723...47355114 2024
10405677787120811355574312 ~2017
10405727353120811454706312 ~2017
10406336390320812672780712 ~2017
10406517701920813035403912 ~2017
10406554603120813109206312 ~2017
10406923696162441542176712 ~2018
1040729050211298...46620915 2026
10407586247920815172495912 ~2017
10407671707120815343414312 ~2017
10408877323120817754646312 ~2017
10409033627920818067255912 ~2017
10409120129920818240259912 ~2017
10409161379920818322759912 ~2017
10409337184183274697472912 ~2019
10409843960320819687920712 ~2017
10409861858320819723716712 ~2017
10410505027120821010054312 ~2017
10410559165120821118330312 ~2017
10410710513920821421027912 ~2017
10410930271120821860542312 ~2017
10411019720320822039440712 ~2017
10411503061120823006122312 ~2017
10411600295362469601771912 ~2018
10412068514320824137028712 ~2017
Exponent Prime Factor Dig. Year
10412696582320825393164712 ~2017
10413188504320826377008712 ~2017
10413314119120826628238312 ~2017
1041347707693478...43684714 2023
10413920661762483523970312 ~2018
10414014595120828029190312 ~2017
10415233009762491398058312 ~2018
10416138408162496830448712 ~2018
10416943151920833886303912 ~2017
10417375508320834751016712 ~2017
10417873657762507241946312 ~2018
10418083481920836166963912 ~2017
10418298619120836597238312 ~2017
10419734183983357873471312 ~2019
10420727159920841454319912 ~2017
10422152617362532915703912 ~2018
10422199700320844399400712 ~2017
10422862010983382896087312 ~2019
10423653239920847306479912 ~2017
10424249209183393993672912 ~2019
10424382955362546297731912 ~2018
10424899565920849799131912 ~2017
10425961892320851923784712 ~2017
10426350254320852700508712 ~2017
10427408636320854817272712 ~2017
Exponent Prime Factor Dig. Year
10427690009920855380019912 ~2017
10427738203120855476406312 ~2017
10428165241120856330482312 ~2017
10428341267920856682535912 ~2017
10428393656320856787312712 ~2017
10428995323120857990646312 ~2017
10429496228320858992456712 ~2017
10431247925983449983407312 ~2019
10431487736320862975472712 ~2017
10431583567120863167134312 ~2017
1043172099373004...46185714 2024
10432003430320864006860712 ~2017
10432471867120864943734312 ~2017
10432795214320865590428712 ~2017
10432931981920865863963912 ~2017
1043321839573484...44163914 2024
10433778758320867557516712 ~2017
10433813251183470506008912 ~2019
10433988487183471907896912 ~2019
10434995315920869990631912 ~2017
10435608328162613649968712 ~2018
1043639514592442...64140714 2024
10437842393920875684787912 ~2017
10438642959762631857758312 ~2018
10438702913920877405827912 ~2017
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