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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
19402260891552180871311 ~2005
1940240723388048144710 ~2004
19403192815820957843111 ~2006
19404622031940462203111 ~2005
1940466431388093286310 ~2004
19405486511940548651111 ~2005
19406503631940650363111 ~2005
1940669891388133978310 ~2004
1940734751388146950310 ~2004
19407430191552594415311 ~2005
1940754383388150876710 ~2004
19407684771164461086311 ~2005
1940771951388154390310 ~2004
1940825279388165055910 ~2004
1940856371388171274310 ~2004
1940860391388172078310 ~2004
19409111035046368867911 ~2006
1940959439388191887910 ~2004
19409725211164583512711 ~2005
1940973959388194791910 ~2004
19409826892717375764711 ~2006
19409954531164597271911 ~2005
194101392712810691918312 ~2007
1941065039388213007910 ~2004
1941065543388213108710 ~2004
Exponent Prime Factor Digits Year
19411584737764633892111 ~2007
1941263111388252622310 ~2004
1941361283388272256710 ~2004
19413682873106189259311 ~2006
19413857231941385723111 ~2005
1941479531388295906310 ~2004
19417523771165051426311 ~2005
1941755771388351154310 ~2004
1941816119388363223910 ~2004
19418694416213982211311 ~2006
1941991979388398395910 ~2004
19420830371165249822311 ~2005
194209288121363021691112 ~2008
1942108403388421680710 ~2004
1942135691388427138310 ~2004
19421564571553725165711 ~2005
1942239671388447934310 ~2004
1942358051388471610310 ~2004
1942440491388488098310 ~2004
1942456151388491230310 ~2004
1942540823388508164710 ~2004
1942556723388511344710 ~2004
19425846011165550760711 ~2005
19427160731165629643911 ~2005
19427865771165671946311 ~2005
Exponent Prime Factor Digits Year
1942791659388558331910 ~2004
19428814631942881463111 ~2005
1942945331388589066310 ~2004
19429660338937643751911 ~2007
1942994303388598860710 ~2004
1943033699388606739910 ~2004
19430726171165843570311 ~2005
19430854011165851240711 ~2005
1943120411388624082310 ~2004
19432473111554597848911 ~2005
1943274083388654816710 ~2004
1943324783388664956710 ~2004
19434027015830208103111 ~2006
1943423771388684754310 ~2004
1943424599388684919910 ~2004
1943444339388688867910 ~2004
1943479523388695904710 ~2004
1943488499388697699910 ~2004
1943495951388699190310 ~2004
1943617499388723499910 ~2004
1943645183388729036710 ~2004
19436644791554931583311 ~2005
1943671283388734256710 ~2004
1943685083388737016710 ~2004
19436922733109907636911 ~2006
Exponent Prime Factor Digits Year
1943727503388745500710 ~2004
19437609471555008757711 ~2005
1943856311388771262310 ~2004
19439040295831712087111 ~2006
19439428931166365735911 ~2005
1943999279388799855910 ~2004
1944039299388807859910 ~2004
19440477171166428630311 ~2005
1944059171388811834310 ~2004
1944162263388832452710 ~2004
19442083633110733380911 ~2006
19442868438166004740711 ~2007
1944442319388888463910 ~2004
19445189294666845429711 ~2006
19445514171166730850311 ~2005
1944559979388911995910 ~2004
1945110059389022011910 ~2004
1945111979389022395910 ~2004
19451479375835443811111 ~2006
19452033733112325396911 ~2006
1945229339389045867910 ~2004
1945299431389059886310 ~2004
19453096971167185818311 ~2005
1945312559389062511910 ~2004
19453174997781269996111 ~2007
3743
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25-05-04