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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
4654807465480718 ~1985
4655047744807538 ~1985
46551731024138079 ~1986
465541193108237 ~1983
465553193110637 ~1983
4655537279332238 ~1984
465566393113277 ~1983
4655767138741856710 ~1988
465583193116637 ~1983
4656053279363198 ~1984
46564091024409999 ~1986
4656481279388878 ~1984
465655193131037 ~1983
4656721279403278 ~1984
4656947838250478 ~1985
4657049372563938 ~1985
46571172514843199 ~1987
465715193143037 ~1983
465719993143997 ~1983
4657229372578338 ~1985
4657397372591778 ~1985
4657537125753499110 ~1988
4657561279453678 ~1984
465757193151437 ~1983
4657771745243378 ~1985
Exp. Prime Factor Digits Year
46577871117868899 ~1986
465781193156237 ~1983
465788393157677 ~1983
46579092235796339 ~1986
46580471583735999 ~1986
4658237279494238 ~1984
4658341279500478 ~1984
465857993171597 ~1983
46587011397610319 ~1986
4658777372702178 ~1985
4658791745406578 ~1985
46589231584033839 ~1986
465893993178797 ~1983
46592032329601519 ~1987
465931193186237 ~1983
465949193189837 ~1983
4659497372759778 ~1985
4659763465976318 ~1985
4659793279587598 ~1984
4659797279587838 ~1984
46598031491136979 ~1986
4659881372790498 ~1985
4659911372792898 ~1985
4659929372794338 ~1985
46599297083092099
Exp. Prime Factor Digits Year
466007993201597 ~1983
46601773262123919 ~1987
4660259372820738 ~1985
4660457372836578 ~1985
4660501279630078 ~1984
4660627466062718 ~1985
4660723745715698 ~1985
4660769372861538 ~1985
4660861279651678 ~1984
4661117279667038 ~1984
466118393223677 ~1983
466129193225837 ~1983
466139993227997 ~1983
4661639839095038 ~1985
4661719466171918 ~1985
4661743745878898 ~1985
4661773279706398 ~1984
4661911839143998 ~1985
4662149372971938 ~1985
4662167839190078 ~1985
4662209652709278 ~1985
4662221279733278 ~1984
466229993245997 ~1983
4662377279742638 ~1984
4662377652732798
Exp. Prime Factor Digits Year
4662457279747438 ~1984
4662461279747678 ~1984
4662773279766398 ~1984
4663003746080498 ~1985
4663019373041538 ~1985
466325993265197 ~1983
4663279466327918 ~1985
4663349373067938 ~1985
46634291865371619 ~1986
4663433279805998 ~1984
4663441279806478 ~1984
46636212145265679 ~1986
4663727373098178 ~1985
4663741279824478 ~1984
4663807466380718 ~1985
466393193278637 ~1983
4664057279843438 ~1984
4664057652967998
4664129373130338 ~1985
4664399373151938 ~1985
4664453653023438 ~1985
466453193290637 ~1983
4664573279874398 ~1984
46645931026210479 ~1986
466460393292077 ~1983
686
GIMPS The Prime Pages FactorDb.com
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26-07-19