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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
44331431886628638 ~1991
44331737239391379910 ~1994
44332811886656238 ~1991
44332859886657198 ~1991
443339513546716099 ~1992
443351212660107279 ~1992
44335979886719598 ~1991
44336219886724398 ~1991
443367772660206639 ~1992
44338103886762078 ~1991
44338139886762798 ~1991
443386736207414239 ~1993
44339843886796878 ~1991
443404313547234499 ~1992
44341211886824238 ~1991
44344343886886878 ~1991
44344511886890238 ~1991
443446812660680879 ~1992
443460617095369779 ~1993
44347991886959838 ~1991
443480237095683699 ~1993
44348663886973278 ~1991
44349803886996078 ~1991
44349839886996798 ~1991
44352743141928777710 ~1994
Exponent Prime Factor Digits Year
443545073548360579 ~1992
44354903887098078 ~1991
44355539887110798 ~1991
44355791887115838 ~1991
44356199887123998 ~1991
443597936210371039 ~1993
443611332661667999 ~1992
443623874436238719 ~1992
443633812661802879 ~1992
44363639887272798 ~1991
44364119186329299910 ~1994
44366603887332078 ~1991
44366963887339278 ~1991
443686037098976499 ~1993
44369723887394478 ~1991
443700914437009119 ~1992
44371391887427838 ~1991
443717093549736739 ~1992
44372903887458078 ~1991
44374019887480398 ~1991
44375063887501278 ~1991
44375939887518798 ~1991
44377951213014164910 ~1994
44378291887565838 ~1991
443794372662766239 ~1992
Exponent Prime Factor Digits Year
44380139887602798 ~1991
44382659887653198 ~1991
44383063284051603310 ~1994
44384243887684878 ~1991
443849393550795139 ~1992
44387831887756638 ~1991
44387963887759278 ~1991
44388107292961506310 ~1994
44388191887763838 ~1991
443886113551088899 ~1992
44388671887773438 ~1991
44389223887784478 ~1991
443901074439010719 ~1992
44391911887838238 ~1991
44393159887863198 ~1991
44393183887863678 ~1991
443941136215175839 ~1993
44395811887916238 ~1991
443972572663835439 ~1992
44397491887949838 ~1991
44397959887959198 ~1991
44398439887968798 ~1991
443984696215785679 ~1993
443986337103781299 ~1993
443988977103823539 ~1993
Exponent Prime Factor Digits Year
44399051887981038 ~1991
44400563888011278 ~1991
44401151888023038 ~1991
44401691888033838 ~1991
444024593552196739 ~1992
44403083888061678 ~1991
444031732664190399 ~1992
444036074440360719 ~1992
44404511888090238 ~1991
44404511142094435310
44405171888103438 ~1991
44405639888112798 ~1991
44406443888128878 ~1991
444083412664500479 ~1992
444087612664525679 ~1992
44409373106582495310 ~1993
44409691390805280910 ~1995
44411903888238078 ~1991
444123532664741199 ~1992
44412359888247198 ~1991
44413199888263998 ~1991
444142913553143299 ~1992
44414423888288478 ~1991
44415383888307678 ~1991
44415779888315598 ~1991
1998
GIMPS The Prime Pages FactorDb.com
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25-06-08