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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
112380791123807919 ~1988
11238203224764078 ~1986
112382331573352639 ~1988
11238413674304798 ~1987
11238737674324238 ~1987
112387493371624719 ~1989
112391033596512979 ~1989
11239271224785438 ~1986
11239421674365278 ~1987
11239691224793838 ~1986
11239933674395998 ~1987
11239967899197378 ~1988
11239979899198338 ~1988
112400572697613699 ~1989
112402092472845999 ~1989
11240423224808478 ~1986
11240483224809678 ~1986
11240617674437038 ~1987
112406177868431919
11240639224812798 ~1986
11240687899254978 ~1988
11240819224816398 ~1986
11241053674463198 ~1987
11241071899285698 ~1988
11241203224824078 ~1986
Exponent Prime Factor Digits Year
11241239224824798 ~1986
11241239899299138
11241383224827678 ~1986
112413833597242579
112418591124185919 ~1988
11241959224839198 ~1986
11242163224843278 ~1986
11242481674548878 ~1987
11242481899398498
112425492698211779 ~1989
11242589899407138 ~1988
11242619899409538 ~1988
11242717674563038 ~1987
11242817674569038 ~1987
11242993674579598 ~1987
11242997674579838 ~1987
11243051224861038 ~1986
112430872023755679 ~1988
112432992023793839 ~1988
112435931798974899 ~1988
11243641674618478 ~1987
11243651224873038 ~1986
11243657674619438 ~1987
11243663224873278 ~1986
11243759224875198 ~1986
Exponent Prime Factor Digits Year
11243891224877838 ~1986
11244071224881438 ~1986
11244419224888398 ~1986
112445896072078079 ~1990
11245057674703438 ~1987
11245523224910478 ~1986
11245757674745438 ~1987
11245991224919838 ~1986
11246413674784798 ~1987
11246941674816478 ~1987
112472112024497999 ~1988
11247503224950078 ~1986
112478093374342719 ~1989
112479792024636239 ~1988
11248043224960878 ~1986
11248093674885598 ~1987
11248283224965678 ~1986
11248631224972638 ~1986
11248717674923038 ~1987
112489271799828339 ~1988
112489874499594819 ~1989
11249377674962638 ~1987
11249741674984478 ~1987
112498092699954179 ~1989
112498271124982719 ~1988
Exponent Prime Factor Digits Year
11249951224999038 ~1986
11249977674998638 ~1987
11250011900000898 ~1988
112503191125031919 ~1988
11250671225013438 ~1986
11250839225016798 ~1986
11251379225027598 ~1986
11251693675101598 ~1987
11251763225035278 ~1986
11251837675110238 ~1987
11251897675113838 ~1987
11251931225038638 ~1986
11252459225049198 ~1986
11252621900209698 ~1988
11252723225054478 ~1986
11253191225063838 ~1986
11253239225064798 ~1986
11253973675238398 ~1987
11254093675245598 ~1987
11254163225083278 ~1986
11254301675258078 ~1987
11254301900344098
11254361675261678 ~1987
112546095402212339 ~1989
11255117675307038 ~1987
1142
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26-05-03