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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
185768411114610479 ~1989
18577631371552638 ~1988
18577703371554078 ~1988
185779132600907839 ~1990
185781371114688239 ~1989
18578459371569198 ~1988
18578711371574238 ~1988
185788511857885119 ~1989
18579611371592238 ~1988
18580403371608078 ~1988
18580559371611198 ~1988
185809435945901779 ~1991
18581063371621278 ~1988
185810931114865599 ~1989
18581099371621998 ~1988
18581219371624398 ~1988
18581351371627038 ~1988
185814193344655439 ~1990
185818511858185119 ~1989
185819331114915999 ~1989
185820732973131699 ~1990
185824011114944079 ~1989
18582803371656078 ~1988
185836271858362719 ~1989
185836274460070499
Exponent Prime Factor Digits Year
18583739371674798 ~1988
18583811371676238 ~1988
18584003371680078 ~1988
18584063371681278 ~1988
18584123371682478 ~1988
18584183371683678 ~1988
18584339371686798 ~1988
185844732973515699 ~1990
18584651371693038 ~1988
18584963371699278 ~1988
18585191371703838 ~1988
18585251371705038 ~1988
185852934460470339 ~1990
18585719371714398 ~1988
18586511371730238 ~1988
185866571115199439 ~1989
185872211115233279 ~1989
18587399371747998 ~1988
18587551330858407910 ~1993
18587711371754238 ~1988
18587963371759278 ~1988
18588371371767438 ~1988
185884611115307679 ~1989
18589139371782798 ~1988
18589223371784478 ~1988
Exponent Prime Factor Digits Year
18589283371785678 ~1988
185893094461434179 ~1990
18589583371791678 ~1988
185896011115376079 ~1989
185907731115446399 ~1989
18591263371825278 ~1988
185914931115489599 ~1989
18591539371830798 ~1988
185918412974694579 ~1990
18591959371839198 ~1988
18592319371846398 ~1988
18592643371852878 ~1988
185926611115559679 ~1989
185928011115568079 ~1989
18592859371857198 ~1988
18592919371858398 ~1988
18592943371858878 ~1988
18593339371866798 ~1988
18593423371868478 ~1988
185937134462491139 ~1990
185937411487499299 ~1989
18594671371893438 ~1988
185953214090970639 ~1990
18595751371915038 ~1988
185958531115751199 ~1989
Exponent Prime Factor Digits Year
18596159371923198 ~1988
185966532975464499 ~1990
18596723371934478 ~1988
18596783371935678 ~1988
18596843371936878 ~1988
18596999371939998 ~1988
18597191371943838 ~1988
18597899371957998 ~1988
18598199371963998 ~1988
18598631371972638 ~1988
18598763371975278 ~1988
185992131115952799 ~1989
18599579371991598 ~1988
18600299372005998 ~1988
18600539372010798 ~1988
186005771116034639 ~1989
186005778928276979
18600611372012238 ~1988
186006971116041839 ~1989
186007972604111599 ~1990
18600863372017278 ~1988
18601763372035278 ~1988
18602183372043678 ~1988
18602219372044398 ~1988
186024071860240719 ~1989
1364
GIMPS The Prime Pages FactorDb.com
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25-04-13