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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
4265510398531020799 ~1998
426572873255943723910 ~2000
4265854318531708639 ~1998
4265874718531749439 ~1998
4265995318531990639 ~1998
426610889341288711310 ~2000
426615461255969276710 ~2000
4266245638532491279 ~1998
426629713255977827910 ~2000
426631501255978900710 ~2000
4266361791365235772911 ~2001
426642857255985714310 ~2000
4266566638533133279 ~1998
4266633838533267679 ~1998
426690233256014139910 ~2000
426699373256019623910 ~2000
4267353712389718077711 ~2002
4267494238534988479 ~1998
426776797256066078310 ~2000
4267785598535571199 ~1998
4267813438535626879 ~1998
4267879798535759599 ~1998
4267926598535853199 ~1998
4267956238535912479 ~1998
4268084638536169279 ~1998
Exponent Prime Factor Digits Year
4268085131024340431311 ~2001
4268121598536243199 ~1998
4268207038536414079 ~1998
426821743682914788910 ~2001
4268293798536587599 ~1998
426841873256105123910 ~2000
426842497256105498310 ~2000
4268434918536869839 ~1998
4268551798537103599 ~1998
4268750638537501279 ~1998
4268832712049039700911 ~2002
4268968571963725542311 ~2002
426897173256138303910 ~2000
426923381256154028710 ~2000
4269327118538654239 ~1998
426941497256164898310 ~2000
4269543838539087679 ~1998
4269557518539115039 ~1998
4269596518539193039 ~1998
4269652198539304399 ~1998
4269655438539310879 ~1998
4269985318539970639 ~1998
4270064038540128079 ~1998
4270328638540657279 ~1998
4270448518540897039 ~1998
Exponent Prime Factor Digits Year
4270632718541265439 ~1998
4270639918541279839 ~1998
427075177256245106310 ~2000
4270782598541565199 ~1998
427086557256251934310 ~2000
4270868518541737039 ~1998
4271030638542061279 ~1998
4271076838542153679 ~1998
427112341256267404710 ~2000
427114031341691224910 ~2000
427118297256270978310 ~2000
4271183398542366799 ~1998
4271209438542418879 ~1998
4271229598542459199 ~1998
4271296918542593839 ~1998
427133387341706709710 ~2000
4271374798542749599 ~1998
4271402518542805039 ~1998
427140541256284324710 ~2000
4271408038542816079 ~1998
4271411398542822799 ~1998
427159897256295938310 ~2000
4271620198543240399 ~1998
4271705998543411999 ~1998
4271715238543430479 ~1998
Exponent Prime Factor Digits Year
4272069598544139199 ~1998
4272082198544164399 ~1998
4272256798544513599 ~1998
4272333118544666239 ~1998
4272348231025363575311 ~2001
4272412918544825839 ~1998
4272574198545148399 ~1998
4272574438545148879 ~1998
4272596638545193279 ~1998
427265581939984278310 ~2001
427270073256362043910 ~2000
4272859318545718639 ~1998
4272932398545864799 ~1998
427294423427294423110 ~2000
4273007112051043412911 ~2002
427320997256392598310 ~2000
427341877256405126310 ~2000
427351237256410742310 ~2000
4273630438547260879 ~1998
4273649998547299999 ~1998
4273879371025731048911 ~2001
4273940638547881279 ~1998
4274105638548211279 ~1998
4274437438548874879 ~1998
4274460238548920479 ~1998
3193
GIMPS The Prime Pages FactorDb.com
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25-07-08