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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.
Exp. Prime Factor Digits Year
9672941773835298 ~1987
9673343193466878 ~1986
9673439193468798 ~1986
9673481580408878 ~1987
9673511193470238 ~1986
96735972321663299 ~1988
9673801580428078 ~1987
9673871193477438 ~1986
9674039193480798 ~1986
9674257580455438 ~1987
9674459193489198 ~1986
9674521580471278 ~1987
9674557580473438 ~1987
9674579193491598 ~1986
9675059193501198 ~1986
96751095224558879 ~1989
9675137580508238 ~1987
9675293580517598 ~1987
9675557580533438 ~1987
9675761580545678 ~1987
9675761774060898
96758571354619999 ~1988
9675863193517278 ~1986
9676001580560078 ~1987
9676091193521838 ~1986
Exp. Prime Factor Digits Year
96768891354764479 ~1988
96771911741894399 ~1988
96772811548364979 ~1988
9678013580680798 ~1987
9678131193562638 ~1986
9678181580690878 ~1987
9678197580691838 ~1987
9678271967827118 ~1987
9678323193566478 ~1986
9678517580711038 ~1987
9678857580731438 ~1987
9678863193577278 ~1986
9678947774315778 ~1987
96791471548663539 ~1988
9679513580770798 ~1987
9679597580775838 ~1987
9679679193593598 ~1986
9679811193596238 ~1986
9679871774389698 ~1987
9680129774410338 ~1987
9680483193609678 ~1986
9680579193611598 ~1986
9680641580838478 ~1987
9680843193616878 ~1986
9680903193618078 ~1986
Exp. Prime Factor Digits Year
96809693678768239 ~1989
9681071193621438 ~1986
9681097580865838 ~1987
9681341580880478 ~1987
9681443193628878 ~1986
9681613580896798 ~1987
96817991742723839 ~1988
9682019193640398 ~1986
9682069278843587310 ~1991
96820871549133939 ~1988
96821391626599352111 ~1993
9682223193644478 ~1986
9682619193652398 ~1986
9682619774609538
9682691193653838 ~1986
9682763193655278 ~1986
9683039193660798 ~1986
9683171193663438 ~1986
9683327774666178 ~1987
9683351193667038 ~1986
96835432517721199 ~1988
9683777581026638 ~1987
9683813581028798 ~1987
9683819193676398 ~1986
9683837774706978 ~1987
Exp. Prime Factor Digits Year
9683951193679038 ~1986
96839693098870099 ~1988
9684011193680238 ~1986
96841371355779199 ~1988
9684293594615590310 ~1992
9684443193688878 ~1986
9684599193691998 ~1986
9684629774770338 ~1987
9684683193693678 ~1986
9684853581091198 ~1987
9684877581092638 ~1987
9685133581107998 ~1987
9685541581132478 ~1987
9685583193711678 ~1986
9685661581139678 ~1987
9685727774858178 ~1987
96857573680587679 ~1989
9686279193725598 ~1986
9686357581181438 ~1987
9686531774922498 ~1987
9686543193730878 ~1986
9686819193736398 ~1986
9686879193737598 ~1986
9687241581234478 ~1987
9687299193745998 ~1986
1016
GIMPS The Prime Pages FactorDb.com
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25-09-07