Home e-mail
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
2158171388470798 ~1983
215825943165197 ~1980
2158423215842318 ~1982
2158447345351538 ~1983
2158483863393218 ~1984
2158579215857918 ~1982
215863143172637 ~1980
21587211683802399 ~1984
215881143176237 ~1980
2158859172708738 ~1982
2159041129542478 ~1982
2159191388654398 ~1983
2159207518209698 ~1983
215923143184637 ~1980
2159239734141278 ~1983
2159351561431278 ~1983
2159537129572238 ~1982
2160127388822878 ~1983
21602471382558099 ~1984
21602591944233119 ~1984
2160283216028318 ~1982
2160443518506338 ~1983
2160629172850338 ~1982
2160881129652878 ~1982
2160967216096718 ~1982
Exp. Prime Factor Digits Year
2160997129659838 ~1982
2161001129660078 ~1982
2161121172889698 ~1982
2161157302561998 ~1983
21612971037422579 ~1984
216133143226637 ~1980
216134343226877 ~1980
21614091556214499 ~1984
2161613691716178 ~1983
216175143235037 ~1980
216182343236477 ~1980
216187143237437 ~1980
216200343240077 ~1980
216206343241277 ~1980
216218343243677 ~1980
2162353129741198 ~1982
21623871600166399 ~1984
216257943251597 ~1980
2162597302763598 ~1983
216260343252077 ~1980
216265143253037 ~1980
216284343256877 ~1980
21628691536502137711 ~1989
216287943257597 ~1980
21628791557272899
Exp. Prime Factor Digits Year
2162947216294718 ~1982
2163107389359278 ~1983
2163113692196178 ~1983
2163223346115698 ~1983
216325143265037 ~1980
2163307519193698 ~1983
216343143268637 ~1980
2163467173077378 ~1982
21634672076928339
216350343270077 ~1980
2163503519240738
2163613129816798 ~1982
2163883908830878 ~1984
216391143278237 ~1980
2163919389505438 ~1983
216397143279437 ~1980
2163979216397918 ~1982
2164177519402498 ~1983
2164417129865038 ~1982
2164433129865998 ~1982
2164441129866478 ~1982
2164453129867198 ~1982
216451143290237 ~1980
216458343291677 ~1980
216461943292397 ~1980
Exp. Prime Factor Digits Year
2164739173179138 ~1982
2164787173182978 ~1982
2164807519553698 ~1983
2164979173198338 ~1982
216506343301277 ~1980
2165081173206498 ~1982
2165201173216098 ~1982
2165237129914238 ~1982
216529143305837 ~1980
2165393303155038 ~1983
216554343310877 ~1980
2165593476430478 ~1983
2165617129937038 ~1982
21657414461426479 ~1985
216577143315437 ~1980
2165843519802338 ~1983
216602343320477 ~1980
216611943322397 ~1980
2166127216612718 ~1982
2166221173297698 ~1982
2166511346641778 ~1983
21665332253194339 ~1985
2166919390045438 ~1983
216701943340397 ~1980
2167063520095138 ~1983
405
GIMPS The Prime Pages FactorDb.com
Home
4.888.230 digits 		e-mail
25-06-29