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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
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
420505303420505303110 ~2000
4205060638410121279 ~1998
4205061118410122239 ~1998
4205315398410630799 ~1998
4205512033027968661711 ~2002
Exponent Prime Factor Digits Year
4205716438411432879 ~1998
4206001438412002879 ~1998
4206092398412184799 ~1998
4206174231093605299911 ~2001
4206345238412690479 ~1998
4206367438412734879 ~1998
4206407998412815999 ~1998
4206505918413011839 ~1998
4206516838413033679 ~1998
4206722998413445999 ~1998
4206732238413464479 ~1998
420678359336542687310 ~2000
4206810118413620239 ~1998
420692101252415260710 ~2000
4207493638414987279 ~1998
4207852798415705599 ~1998
4208076598416153199 ~1998
4208089918416179839 ~1998
420836813252502087910 ~2000
4208369398416738799 ~1998
4208492518416985039 ~1998
4208597398417194799 ~1998
4208626198417252399 ~1998
4208711638417423279 ~1998
4208713318417426639 ~1998
Exponent Prime Factor Digits Year
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
421066601336853280910 ~2000
421075079336860063310 ~2000
4210913998421827999 ~1998
4211015638422031279 ~1998
4211081518422163039 ~1998
421126897252676138310 ~2000
4211369518422739039 ~1998
4211398918422797839 ~1998
4211551318423102639 ~1998
421161959336929567310 ~2000
Exponent Prime Factor Digits Year
4211621418002080679111 ~2003
421167221252700332710 ~2000
421185439421185439110 ~2000
4211951398423902799 ~1998
4212099238424198479 ~1998
4212165118424330239 ~1998
4212367198424734399 ~1998
4212390238424780479 ~1998
4212548638425097279 ~1998
4212614998425229999 ~1998
4212734038425468079 ~1998
4212857518425715039 ~1998
421287359337029887310 ~2000
421324157337059325710 ~2000
4213254238426508479 ~1998
4213414198426828399 ~1998
4213454398426908799 ~1998
4213494591011238701711 ~2001
4213545238427090479 ~1998
4213570318427140639 ~1998
4213750438427500879 ~1998
4214013718428027439 ~1998
4214046718428093439 ~1998
4214107198428214399 ~1998
421415257252849154310 ~2000
3095
GIMPS The Prime Pages FactorDb.com
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25-04-13