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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
73486671322760079 ~1987
7348697440921838 ~1986
73487931028831039 ~1987
7348843734884318 ~1986
7348931146978638 ~1985
7349003146980078 ~1985
7349477440968638 ~1986
73494971175919539 ~1987
7349533440971998 ~1986
7349609587968738 ~1986
7349711146994238 ~1985
7349737440984238 ~1986
7349893440993598 ~1986
7350127735012718 ~1986
7350263147005278 ~1985
7350361441021678 ~1986
7350419147008398 ~1985
7350481441028878 ~1986
7350641441038478 ~1986
7350877441052638 ~1986
7351031147020638 ~1985
7351583147031678 ~1985
7351607588128578 ~1986
7351637441098238 ~1986
7351691147033838 ~1985
Exp. Prime Factor Digits Year
7351987735198718 ~1986
73520471323368479 ~1987
7352063147041278 ~1985
73524611176393779 ~1987
7352519147050398 ~1985
7352977441178638 ~1986
7352999588239938 ~1986
73532511323585199 ~1987
73532512353040339
7353431147068638 ~1985
73535271323634879 ~1987
7353539147070798 ~1985
7353659588292738 ~1986
7354079147081598 ~1985
7354199147083998 ~1985
7354271147085438 ~1985
7354283147085678 ~1985
73542894559659199 ~1988
7354631147092638 ~1985
73546492794766639 ~1988
73546811176748979 ~1987
7354751147095038 ~1985
7354861441291678 ~1986
7354883147097678 ~1985
7354927735492718 ~1986
Exp. Prime Factor Digits Year
7355039147100798 ~1985
7355141441308478 ~1986
7355141588411298
7355143735514318 ~1986
7355303147106078 ~1985
7355363147107278 ~1985
7355477441328638 ~1986
7355591147111838 ~1985
7355723147114478 ~1985
7355947735594718 ~1986
7356001441360078 ~1986
7356091735609118 ~1986
73561911324114399 ~1987
7356263147125278 ~1985
7356421441385278 ~1986
7356623147132478 ~1985
73570871765700899 ~1987
7357321441439278 ~1986
73576394708888979 ~1988
7357643147152878 ~1985
7357661588612898 ~1986
7357913441474798 ~1986
7357979147159598 ~1985
7358081588646498 ~1986
7358201441492078 ~1986
Exp. Prime Factor Digits Year
7358231147164638 ~1985
7358279588662338 ~1986
7358599735859918 ~1986
7358951588716098 ~1986
7359461441567678 ~1986
7359643735964318 ~1986
7359761441585678 ~1986
7359791147195838 ~1985
73599493532775539 ~1988
7359959147199198 ~1985
7360091147201838 ~1985
7360739147214798 ~1985
7360819736081918 ~1986
7360883147217678 ~1985
73609871324977679 ~1987
7361327588906178 ~1986
7361423147228478 ~1985
7361639147232798 ~1985
7361801441708078 ~1986
7361951147239038 ~1985
7362263147245278 ~1985
7362301441738078 ~1986
7362419588993538 ~1986
7362941441776478 ~1986
73630031178080499 ~1987
900
GIMPS The Prime Pages FactorDb.com
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26-07-05