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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
4989939839979879679 ~1999
4990014239980028479 ~1999
499015831798425329710 ~2001
4990172039980344079 ~1999
499051801299431080710 ~2000
4990544639981089279 ~1999
4990590239981180479 ~1999
4990595519981191039 ~1999
499106119499106119110 ~2001
4991194799982389599 ~1999
4991264039982528079 ~1999
4991274839982549679 ~1999
4991332319982664639 ~1999
4991402639982805279 ~1999
4991427239982854479 ~1999
4991554391697128492711 ~2002
499160863499160863110 ~2001
499164079499164079110 ~2001
499165873299499523910 ~2000
4991781112396054932911 ~2002
4991810999983621999 ~1999
49919499111581323791312 ~2004
4991955839983911679 ~1999
4991989199983978399 ~1999
4992073919984147839 ~1999
Exponent Prime Factor Digits Year
499251017299550610310 ~2000
4992681839985363679 ~1999
4992824639985649279 ~1999
4992928319985856639 ~1999
4992938639985877279 ~1999
4992976799985953599 ~1999
4992990239985980479 ~1999
4993114199986228399 ~1999
499314713299588827910 ~2000
4993231799986463599 ~1999
499327229699058120710 ~2001
499328789399463031310 ~2000
499342741299605644710 ~2000
4993479239986958479 ~1999
4993872119987744239 ~1999
499407641299644584710 ~2000
4994085719988171439 ~1999
4994175719988351439 ~1999
4994245613995396488111 ~2003
4994508839989017679 ~1999
499460477299676286310 ~2000
4994831639989663279 ~1999
4994883719989767439 ~1999
499491007499491007110 ~2001
499497437299698462310 ~2000
Exponent Prime Factor Digits Year
4995035519990071039 ~1999
4995152519990305039 ~1999
4995366599990733199 ~1999
4995416399990832799 ~1999
499546457299727874310 ~2000
499550693299730415910 ~2000
499558483499558483110 ~2001
4995684839991369679 ~1999
4995912599991825199 ~1999
4996169639992339279 ~1999
4996175519992351039 ~1999
4996180991199083437711 ~2002
4996201199992402399 ~1999
4996372799992745599 ~1999
4996776119993552239 ~1999
4996876199993752399 ~1999
4996916039993832079 ~1999
4997131439994262879 ~1999
4997314439994628879 ~1999
4997627519995255039 ~1999
499769953299861971910 ~2000
4997699999995399999 ~1999
4997931119995862239 ~1999
4997992319995984639 ~1999
4998222599996445199 ~1999
Exponent Prime Factor Digits Year
499841101299904660710 ~2000
4998522719997045439 ~1999
4998647519997295039 ~1999
4998731039997462079 ~1999
4998756119997512239 ~1999
4998857519997715039 ~1999
4998863399997726799 ~1999
499898887499898887110 ~2001
4998993719997987439 ~1999
499919753299951851910 ~2000
4999275533999420424111 ~2003
4999291799998583599 ~1999
4999423799998847599 ~1999
4999892231199974135311 ~2002
500009537300005722310 ~2000
500011073300006643910 ~2000
500022907800036651310 ~2001
500025899400020719310 ~2000
500047811100009562310 ~1999
500059331100011866310 ~1999
500059873300035923910 ~2000
500061077700085507910 ~2001
500065799100013159910 ~1999
500086231500086231110 ~2001
500100989400080791310 ~2000
3193
GIMPS The Prime Pages FactorDb.com
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25-05-04