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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
9494939189898798 ~1986
9494957759596578 ~1987
9495071189901438 ~1986
9495841569750478 ~1987
9495973569758398 ~1987
9496043189920878 ~1986
9496439189928798 ~1986
9496451189929038 ~1986
9496559189931198 ~1986
94966872279204899 ~1988
94973532279364739 ~1988
9497399759791938 ~1987
9497591189951838 ~1986
9497651189953038 ~1986
9498001569880078 ~1987
9498179189963598 ~1986
9498193569891598 ~1987
9498323189966478 ~1986
9498383189967678 ~1986
9498397569903838 ~1987
9498479189969598 ~1986
9498719189974398 ~1986
9498739949873918 ~1987
9498851189977038 ~1986
9498959189979198 ~1986
Exp. Prime Factor Digits Year
9498961569937678 ~1987
9499013569940798 ~1987
9499079189981598 ~1986
9499097569945838 ~1987
9499279949927918 ~1987
9499613569976798 ~1987
9499739759979138 ~1987
9499751189995038 ~1986
9499811189996238 ~1986
9499883189997678 ~1986
9499933569995998 ~1987
9499961759996898 ~1987
95001593040050899 ~1988
9500207760016578 ~1987
9500213570012798 ~1987
9500279190005598 ~1986
9500347950034718 ~1987
9500831190016638 ~1986
9500861570051678 ~1987
95008794560421939 ~1989
9500941570056478 ~1987
9500999190019998 ~1986
95010772280258499 ~1988
9501101760088098 ~1987
9501137760090978 ~1987
Exp. Prime Factor Digits Year
9501253570075198 ~1987
9501293167222756910 ~1990
9501391950139118 ~1987
9501659190033198 ~1986
9502043190040878 ~1986
9502271190045438 ~1986
9502463190049278 ~1986
9502721570163278 ~1987
9502967760237378 ~1987
9503141570188478 ~1987
9503183190063678 ~1986
9503261760260898 ~1987
9503303190066078 ~1986
95034371520549939 ~1988
9503471190069438 ~1986
9503497570209838 ~1987
9503581570214878 ~1987
9503951760316098 ~1987
9504239760339138 ~1987
9504899760391938 ~1987
95050871520813939 ~1988
9505259760420738 ~1987
9505333570319998 ~1987
9505393570323598 ~1987
9505477570328638 ~1987
Exp. Prime Factor Digits Year
95057513041840339 ~1988
9506207760496578 ~1987
9506303190126078 ~1986
95063532091397679 ~1988
95063697605095219 ~1989
9506543190130878 ~1986
9506603190132078 ~1986
9506639190132798 ~1986
9506657570399438 ~1987
9506747760539778 ~1987
9506753167318852910 ~1990
95067671521082739 ~1988
9507419760593538 ~1987
9507551760604098 ~1987
95076371521221939 ~1988
9507863190157278 ~1986
9507919114095028110 ~1990
9507977570478638 ~1987
9507977760638178
9508061570483678 ~1987
95080993993401599 ~1989
9508139190162798 ~1986
9508199190163998 ~1986
9508337570500238 ~1987
9508643190172878 ~1986
1040
GIMPS The Prime Pages FactorDb.com
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26-05-03