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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
3399959611992638 ~1984
3400097272007778 ~1983
3400213544034098 ~1984
3400303544048498 ~1984
340070368014077 ~1982
3400897204053838 ~1983
3400919272073538 ~1983
3401107340110718 ~1984
3401221544195378 ~1984
3401383340138318 ~1984
3401597272127778 ~1983
340160368032077 ~1982
3401611340161118 ~1984
340166368033277 ~1982
3401731544276978 ~1984
340177168035437 ~1982
3402053204123198 ~1983
340238368047677 ~1982
3402517204151038 ~1983
3402523340252318 ~1984
3402673544427698 ~1984
3402677204160638 ~1983
340280368056077 ~1982
34028991701449519 ~1985
3402953476413438 ~1984
Exp. Prime Factor Digits Year
3402967544474738 ~1984
3402979340297918 ~1984
3402991544478578 ~1984
3403073204184398 ~1983
340313968062797 ~1982
3403423544547698 ~1984
3403487816836898 ~1985
340361968072397 ~1982
3403661204219678 ~1983
3403663816879138 ~1985
340370368074077 ~1982
34039012655042799 ~1986
3404033204241998 ~1983
34041531906325699 ~1986
3404239340423918 ~1984
340427968085597 ~1982
3404441204266478 ~1983
3404473204268398 ~1983
3404519612813438 ~1984
3404563340456318 ~1984
3404657272372578 ~1983
3405121204307278 ~1983
340513168102637 ~1982
340526368105277 ~1982
3405301544848178 ~1984
Exp. Prime Factor Digits Year
340535968107197 ~1982
340537168107437 ~1982
3405637204338238 ~1983
3405641272451298 ~1983
34057491089839699 ~1985
340579168115837 ~1982
3405793204347598 ~1983
3405979340597918 ~1984
3406027544964338 ~1984
3406217204373038 ~1983
340639168127837 ~1982
3406531545044978 ~1984
340661968132397 ~1982
3406687340668718 ~1984
3406939340693918 ~1984
340694368138877 ~1982
34069737359061699 ~1987
3407333204439998 ~1983
34075971635646579 ~1985
34076591635676339 ~1985
3407773545243698 ~1984
3407977817914498 ~1985
3408001204480078 ~1983
340826368165277 ~1982
3408319340831918 ~1984
Exp. Prime Factor Digits Year
3408343340834318 ~1984
3408413477177838 ~1984
3408437204506238 ~1983
3408437477181198
3408473204508398 ~1983
3408479818034978 ~1985
3408511545361778 ~1984
3408533204511998 ~1983
3408599272687938 ~1983
340865968173197 ~1982
3408719613569438 ~1984
3408787340878718 ~1984
3409093204545598 ~1983
34091413000044099 ~1986
340922368184477 ~1982
34092473545616899 ~1986
3409261750037438 ~1985
3409321204559278 ~1983
3409583886491598 ~1985
3409591340959118 ~1984
340975168195037 ~1982
340981168196237 ~1982
3409853204591198 ~1983
34098535114779519
34100092659807039 ~1986
538
GIMPS The Prime Pages FactorDb.com
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25-05-04