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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
54233172494725839 ~1987
54236895098267679 ~1988
5423771433901698 ~1985
5423773325426398 ~1985
5423819433905538 ~1985
5423843108476878 ~1984
54238571301725699 ~1986
5424103867856498 ~1986
5424157325449438 ~1985
54245633905685379 ~1987
5424641325478478 ~1985
5424667542466718 ~1985
5424961325497678 ~1985
5424983108499678 ~1984
5425019108500398 ~1984
5425187434014978 ~1985
5425223108504478 ~1984
54252491193554799 ~1986
5425333325519998 ~1985
5425339976561038 ~1986
5425513868082098 ~1986
5425757434060578 ~1985
5425993325559598 ~1985
5426467542646718 ~1985
5426527542652718 ~1985
Exp. Prime Factor Digits Year
5426899976841838 ~1986
5426917868306738 ~1986
54269172170766819
5427017434161378 ~1985
5427283542728318 ~1985
5427431108548638 ~1984
5427473325648398 ~1985
5427671108553438 ~1984
5427809759893278 ~1986
5427899108557998 ~1984
5427923108558478 ~1984
5428387542838718 ~1985
5428561325713678 ~1985
5428571434285698 ~1985
5428679108573598 ~1984
54287832171513219 ~1987
5429071542907118 ~1985
54291074886196319 ~1988
5429321434345698 ~1985
5429401325764078 ~1985
5429731542973118 ~1985
5429807434384578 ~1985
5430059108601198 ~1984
5430317434425378 ~1985
5430443108608878 ~1984
Exp. Prime Factor Digits Year
5430791108615838 ~1984
5430907543090718 ~1985
5430959108619198 ~1984
5430961325857678 ~1985
5431037325862238 ~1985
5431121434489698 ~1985
5431277325876638 ~1985
5431799108635998 ~1984
5431819543181918 ~1985
5431949434555938 ~1985
5432087434566978 ~1985
5432351108647038 ~1984
5432417434593378 ~1985
5432579434606338 ~1985
5432597760563598 ~1986
5432621325957278 ~1985
5433101325986078 ~1985
5433293325997598 ~1985
5433343543334318 ~1985
5433419108668398 ~1984
5433431434674498 ~1985
5433479108669598 ~1984
5433517326011038 ~1985
5433731108674638 ~1984
5433731978071598
Exp. Prime Factor Digits Year
5433787869405938 ~1986
5433839108676798 ~1984
5433997326039838 ~1985
5434031434722498 ~1985
54343491630304719 ~1986
54344091739010899 ~1987
5434661434772898 ~1985
5434697326081838 ~1985
5434937326096238 ~1985
54349971630499119 ~1986
5435399108707998 ~1984
5435519108710398 ~1984
5435723108714478 ~1984
54359592283102799 ~1987
5436113326166798 ~1985
5436217326173038 ~1985
5436577326194638 ~1985
5436653761131438 ~1986
54368031413568799 ~1986
5436881326212878 ~1985
5437169434973538 ~1985
5437273326236398 ~1985
5437343108746878 ~1984
5437373326242398 ~1985
5437403108748078 ~1984
713
GIMPS The Prime Pages FactorDb.com
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25-05-04