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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
26016071520321438 ~1989
26016863520337278 ~1989
26016911520338238 ~1989
260172171561033039 ~1990
260172172081377379
26017391520347838 ~1989
26017619520352398 ~1989
26018123520362478 ~1989
260187172081497379 ~1990
26018939520378798 ~1989
26019011520380238 ~1989
26020079520401598 ~1989
26020283520405678 ~1989
26020979520419598 ~1989
26021111520422238 ~1989
26021423520428478 ~1989
26021591520431838 ~1989
26022719520454398 ~1989
260231571561389439 ~1990
260234331561405999 ~1990
26023703520474078 ~1989
26023799520475998 ~1989
26023919520478398 ~1989
26024123520482478 ~1989
260245612081964899 ~1990
Exponent Prime Factor Digits Year
26025179520503598 ~1989
26025203520504078 ~1989
260255112602551119 ~1991
260256531561539199 ~1990
26025683520513678 ~1989
260260097807802719 ~1992
26026211520524238 ~1989
26026859520537198 ~1989
26027003520540078 ~1989
26027411520548238 ~1989
26027723520554478 ~1989
26027999520559998 ~1989
260285571561713439 ~1990
26028599520571998 ~1989
26028839520576798 ~1989
26029043520580878 ~1989
26029079520581598 ~1989
26029163520583278 ~1989
260294771561768639 ~1990
26030183520603678 ~1989
26030843520616878 ~1989
26031563520631278 ~1989
260316172082529379 ~1990
260318272082546179 ~1990
26031959520639198 ~1989
Exponent Prime Factor Digits Year
26032199520643998 ~1989
26032211520644238 ~1989
26032739520654798 ~1989
26032871520657438 ~1989
26033099520661998 ~1989
260331772082654179 ~1990
26033303520666078 ~1989
26035043520700878 ~1989
26035283520705678 ~1989
260356371562138239 ~1990
26035739520714798 ~1989
260362931562177599 ~1990
26036663520733278 ~1989
26036831520736638 ~1989
26037503520750078 ~1989
26039003520780078 ~1989
26039099520781998 ~1989
260392011562352079 ~1990
260392612083140899 ~1990
26039543520790878 ~1989
26039831520796638 ~1989
260405176249724099 ~1992
26040743520814878 ~1989
26041139520822798 ~1989
26041859520837198 ~1989
Exponent Prime Factor Digits Year
26041871520837438 ~1989
26043863520877278 ~1989
26044019520880398 ~1989
260442292083538339 ~1990
26044643520892878 ~1989
26045531520910638 ~1989
260459693646435679 ~1991
26046323520926478 ~1989
260466971562801839 ~1990
26046791520935838 ~1989
260478735730532079 ~1991
260489099898585439 ~1992
26049071520981438 ~1989
26049251520985038 ~1989
26049371520987438 ~1989
260502533647035439 ~1991
260504812084038499 ~1990
26050499521009998 ~1989
26051159521023198 ~1989
26052683521053678 ~1989
26052863521057278 ~1989
26053211521064238 ~1989
26053523521070478 ~1989
26053739521074798 ~1989
26053799521075998 ~1989
1605
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25-04-13