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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
19510762895939021525791912 ~2019
19511637722339023275444712 ~2019
19511639953139023279906312 ~2019
19512345170339024690340712 ~2019
1951261391891342...76203315 2025
19516561241939033122483912 ~2019
19516718600339033437200712 ~2019
1951870131017612...10939114 2024
19520362160339040724320712 ~2019
19522936637939045873275912 ~2019
19523407556339046815112712 ~2019
19523720941139047441882312 ~2019
19525643198339051286396712 ~2019
19525742804339051485608712 ~2019
19529501882339059003764712 ~2019
19530658637939061317275912 ~2019
19531696429139063392858312 ~2019
19534076461139068152922312 ~2019
19534555423139069110846312 ~2019
19535802325139071604650312 ~2019
1953814631599601...96332715 2024
1953854834412028...81175915 2025
19540650613139081301226312 ~2019
19541910224339083820448712 ~2019
1954219093672696...49264714 2024
Exponent Prime Factor Dig. Year
19543517609939087035219912 ~2019
19544464513139088929026312 ~2019
19544783299139089566598312 ~2019
19545865526339091731052712 ~2019
19549539217139099078434312 ~2019
19549997834339099995668712 ~2019
19551210323939102420647912 ~2019
19551614131139103228262312 ~2019
19553797754339107595508712 ~2019
19557250045139114500090312 ~2019
19557877685939115755371912 ~2019
19560391406339120782812712 ~2019
19560416051939120832103912 ~2019
19560939392339121878784712 ~2019
1956446259591447...32096714 2024
1956450322395947...80065714 2023
19564536703139129073406312 ~2019
19564734458339129468916712 ~2019
19565930150339131860300712 ~2019
19567241737139134483474312 ~2019
19570466525939140933051912 ~2019
19572219701939144439403912 ~2019
1957276689534501...85919114 2023
19572929887139145859774312 ~2019
19574518322339149036644712 ~2019
Exponent Prime Factor Dig. Year
19575007244339150014488712 ~2019
19578580988339157161976712 ~2019
19579722320339159444640712 ~2019
19579855777139159711554312 ~2019
19581261152339162522304712 ~2019
19583756606339167513212712 ~2019
19584577867139169155734312 ~2019
19585079480339170158960712 ~2019
19585127729939170255459912 ~2019
1958608555813133...89296114 2024
19586738858339173477716712 ~2019
19586787683939173575367912 ~2019
19587328501139174657002312 ~2019
19590669013139181338026312 ~2019
19592346098339184692196712 ~2019
19592724890339185449780712 ~2019
19593071351939186142703912 ~2019
19594275943139188551886312 ~2019
19594674701939189349403912 ~2019
19595640883139191281766312 ~2019
19595916026339191832052712 ~2019
19596033961139192067922312 ~2019
19597938302339195876604712 ~2019
19601135234339202270468712 ~2019
19601881963139203763926312 ~2019
Exponent Prime Factor Dig. Year
19602213527939204427055912 ~2019
19603812848339207625696712 ~2019
19609594075139219188150312 ~2019
19611030758339222061516712 ~2019
19613197141139226394282312 ~2019
1961437887611035...46580915 2025
19615099289939230198579912 ~2019
19615686535139231373070312 ~2019
19615767980339231535960712 ~2019
19616765209139233530418312 ~2019
19617134789939234269579912 ~2019
19618008797939236017595912 ~2019
19619118695939238237391912 ~2019
19619202053939238404107912 ~2019
19619721620339239443240712 ~2019
19620300023939240600047912 ~2019
19621770506339243541012712 ~2019
19624179998339248359996712 ~2019
19626985670339253971340712 ~2019
19627562515139255125030312 ~2019
19628627282339257254564712 ~2019
19630221743939260443487912 ~2019
19633787269139267574538312 ~2019
1963731487611688...79344714 2024
19637976407939275952815912 ~2019
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