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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
17192825811375426064911 ~2005
1719313811343862762310 ~2003
1719320951343864190310 ~2003
1719331571343866314310 ~2003
1719341579343868315910 ~2003
17193631975158089591111 ~2006
1719369083343873816710 ~2003
1719431783343886356710 ~2003
17194824971031689498311 ~2004
1719491723343898344710 ~2003
1719527591343905518310 ~2003
17195319731031719183911 ~2004
17195372171031722330311 ~2004
1719544979343908995910 ~2003
17195830811031749848711 ~2004
1719596243343919248710 ~2003
1719637103343927420710 ~2003
1719807731343961546310 ~2003
17198681597223446267911 ~2006
17199834073095970132711 ~2005
17200887313096159715911 ~2005
1720095959344019191910 ~2003
17201214771032072886311 ~2004
172012321747819425432712 ~2008
1720135139344027027910 ~2003
Exponent Prime Factor Digits Year
17202692091376215367311 ~2005
1720291019344058203910 ~2003
1720341923344068384710 ~2003
1720412663344082532710 ~2003
1720473719344094743910 ~2003
17204874531032292471911 ~2004
17205649571032338974311 ~2004
1720568039344113607910 ~2003
1720601231344120246310 ~2003
17206568232753050916911 ~2005
1720669319344133863910 ~2003
1720706783344141356710 ~2003
1720813823344162764710 ~2003
17208479511376678360911 ~2005
17209095174130182840911 ~2006
1720910963344182192710 ~2003
1720994123344198824710 ~2003
17210164393097829590311 ~2005
1721025083344205016710 ~2003
17211274271721127427111 ~2005
17211375431721137543111 ~2005
17211723711376937896911 ~2005
1721189903344237980710 ~2003
1721208539344241707910 ~2003
17212384271721238427111 ~2005
Exponent Prime Factor Digits Year
1721239259344247851910 ~2003
172124287923753151730312 ~2008
1721247779344249555910 ~2003
17212927195508136700911 ~2006
1721298083344259616710 ~2003
1721346719344269343910 ~2003
1721359151344271830310 ~2003
1721370083344274016710 ~2003
1721371103344274220710 ~2003
17214308713098575567911 ~2005
17214477971032868678311 ~2004
1721451419344290283910 ~2003
17214715371032882922311 ~2004
1721496131344299226310 ~2003
17215357791377228623311 ~2005
1721695379344339075910 ~2003
1721772179344354435910 ~2003
17217974811377437984911 ~2005
172180507312396996525712 ~2007
17219620371033177222311 ~2004
17220079971033204798311 ~2004
1722016511344403302310 ~2003
1722017051344403410310 ~2003
1722020351344404070310 ~2003
17220603371033236202311 ~2004
Exponent Prime Factor Digits Year
1722120971344424194310 ~2003
1722142403344428480710 ~2003
1722147083344429416710 ~2003
1722174131344434826310 ~2003
17221923971033315438311 ~2004
17222176871722217687111 ~2005
1722238571344447714310 ~2003
17222600091377808007311 ~2005
1722261011344452202310 ~2003
1722293231344458646310 ~2003
17223949071377915925711 ~2005
1722409883344481976710 ~2003
1722427331344485466310 ~2003
1722438923344487784710 ~2003
1722557363344511472710 ~2003
17226050391378084031311 ~2005
172264787316537419580912 ~2007
1722681431344536286310 ~2003
172270503111369853204712 ~2007
17227290916890916364111 ~2006
1722747503344549500710 ~2003
1722780491344556098310 ~2003
1722852083344570416710 ~2003
1722931319344586263910 ~2003
1723002371344600474310 ~2003
4109
GIMPS The Prime Pages FactorDb.com
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26-03-08