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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
420138821336111056910 ~2000
4201448998402897999 ~1998
4201561371260468411111 ~2001
4201736518403473039 ~1998
4201763038403526079 ~1998
420181093252108655910 ~2000
420185069336148055310 ~2000
4201863598403727199 ~1998
420193517252116110310 ~2000
4202044438404088879 ~1998
420205817336164653710 ~2000
4202121838404243679 ~1998
4202186638404373279 ~1998
4202226118404452239 ~1998
4202255518404511039 ~1998
4202413318404826639 ~1998
420245977252147586310 ~2000
420257687336206149710 ~2000
420258857336207085710 ~2000
420269231336215384910 ~2000
4202708398405416799 ~1998
4202714998405429999 ~1998
4202797318405594639 ~1998
4202838598405677199 ~1998
4202920918405841839 ~1998
Exponent Prime Factor Digits Year
420297037252178222310 ~2000
4202987771008717064911 ~2001
4203290518406581039 ~1998
4203290998406581999 ~1998
420331193252198715910 ~2000
420340373252204223910 ~2000
420342557252205534310 ~2000
4203607798407215599 ~1998
4203688272017770369711 ~2002
420393167336314533710 ~2000
4203961318407922639 ~1998
4204074118408148239 ~1998
4204168131009000351311 ~2001
420417353588584294310 ~2000
4204275838408551679 ~1998
420430253252258151910 ~2000
4204436038408872079 ~1998
420453827336363061710 ~2000
4204586518409173039 ~1998
420464921252278952710 ~2000
4204683118409366239 ~1998
4204684798409369599 ~1998
4204710598409421199 ~1998
420473153252283891910 ~2000
4204887598409775199 ~1998
Exponent Prime Factor Digits Year
420505303420505303110 ~2000
4205060638410121279 ~1998
4205061118410122239 ~1998
4205315398410630799 ~1998
4205512033027968661711 ~2002
4205716438411432879 ~1998
4205821438411642879 ~1998
420589991336471992910 ~2000
4206001438412002879 ~1998
4206092398412184799 ~1998
4206174231093605299911 ~2001
4206223798412447599 ~1998
4206345238412690479 ~1998
4206367438412734879 ~1998
4206407998412815999 ~1998
4206505918413011839 ~1998
4206516838413033679 ~1998
4206722998413445999 ~1998
4206732238413464479 ~1998
420678359336542687310 ~2000
4206810118413620239 ~1998
420692101252415260710 ~2000
4207493638414987279 ~1998
4207852798415705599 ~1998
420800551420800551110 ~2000
Exponent Prime Factor Digits Year
4208076598416153199 ~1998
4208089918416179839 ~1998
420836813252502087910 ~2000
4208369398416738799 ~1998
4208492518416985039 ~1998
4208597398417194799 ~1998
4208605798417211599 ~1998
4208626198417252399 ~1998
4208711638417423279 ~1998
4208713318417426639 ~1998
420873191336698552910 ~2000
4209101518418203039 ~1998
4209203038418406079 ~1998
4209314815051177772111 ~2003
4209324718418649439 ~1998
4209665998419331999 ~1998
4209698038419396079 ~1998
4209906598419813199 ~1998
4210004398420008799 ~1998
4210150798420301599 ~1998
4210494118420988239 ~1998
4210560718421121439 ~1998
4210600438421200879 ~1998
4210630072105315035111 ~2002
4210651198421302399 ~1998
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25-07-08