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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
5498819439905538 ~1985
54989171649675119 ~1986
54989172639480179
5498963109979278 ~1984
5499233329953998 ~1985
5499437769921198 ~1986
5499779109995598 ~1984
5499913879986098 ~1986
5499941329996478 ~1985
5500247440019778 ~1985
55003212530147679 ~1987
5500811110016238 ~1984
55008191870278479 ~1987
5500871110017438 ~1984
5500871440069698
55010031760320979 ~1987
5501017130924204710 ~1989
5501533330091998 ~1985
5501707550170718 ~1985
5501801330108078 ~1985
5501819110036398 ~1984
5502239110044798 ~1984
5502377330142638 ~1985
5502617440209378 ~1985
5502671498541992710 ~1990
Exp. Prime Factor Digits Year
5502857330171438 ~1985
5503021330181278 ~1985
5503229440258338 ~1985
5503297330197838 ~1985
5503499110069998 ~1984
5503541440283298 ~1985
5503859110077198 ~1984
5503907440312578 ~1985
5504333770606638 ~1986
5504363110087278 ~1984
5504563880730098 ~1986
5504581330274878 ~1985
5504671550467118 ~1985
5505001330300078 ~1985
5505139550513918 ~1985
55051671321240099 ~1986
5505191110103838 ~1984
5505239110104798 ~1984
5505299110105998 ~1984
5505301330318078 ~1985
5505317330319038 ~1985
5505343880854898 ~1986
5505371110107438 ~1984
5505527763066042310 ~1991
5505551110111038 ~1984
Exp. Prime Factor Digits Year
55056971651709119 ~1986
5505743110114878 ~1984
55057433083216099
5506103110122078 ~1984
55061413854298719 ~1987
5506271110125438 ~1984
5506421330385278 ~1985
5506507991171278 ~1986
5506811110136238 ~1984
5507081330424878 ~1985
5507297771021598 ~1986
5507417330445038 ~1985
5507471110149438 ~1984
5507519440601538 ~1985
5507699110153998 ~1984
55077371321856899 ~1986
55081491762607699 ~1987
5508203110164078 ~1984
55082031321968739
5508599110171998 ~1984
5508683110173678 ~1984
5508779440702338 ~1985
5508857440708578 ~1985
5508871550887118 ~1985
5508913330534798 ~1985
Exp. Prime Factor Digits Year
5509151110183038 ~1984
55091774848075779 ~1988
5509307991675278 ~1986
5509631440770498 ~1985
5509643110192878 ~1984
5509741330584478 ~1985
5509873330592398 ~1985
5510009440800738 ~1985
5510177440814178 ~1985
5510471440837698 ~1985
55104891322517379 ~1986
5510651110213038 ~1984
5510759110215198 ~1984
5510759440860738
5510959551095918 ~1985
55111571653347119 ~1986
5511251110225038 ~1984
55115291653458719 ~1987
5511547551154718 ~1985
5511683110233678 ~1984
5511851110237038 ~1984
5512043110240878 ~1984
5512103110242078 ~1984
55122373527831699 ~1987
5512399992231838 ~1986
719
GIMPS The Prime Pages FactorDb.com
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25-05-04