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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
12276059245521198 ~1986
12276083245521678 ~1986
122763171718684399 ~1988
12276497982119778 ~1988
12276683245533678 ~1986
12276851245537038 ~1986
12277037736622238 ~1987
122771691718803679 ~1988
12277571245551438 ~1986
12277633736657998 ~1987
12278257736695438 ~1987
12278663245573278 ~1986
122787674174780799 ~1989
12278963245579278 ~1986
122792992210273839 ~1989
12279341736760478 ~1987
12279461736767678 ~1987
12279497736769838 ~1987
12279551245591038 ~1986
12279901736794078 ~1987
12279959245599198 ~1986
12280193736811598 ~1987
12280529982442338 ~1988
122809515894856499 ~1990
12280979245619598 ~1986
Exponent Prime Factor Digits Year
12281303245626078 ~1986
12281519245630398 ~1986
12281603245632078 ~1986
12282191245643838 ~1986
12282353736941198 ~1987
12282983245659678 ~1986
12284201737052078 ~1987
12284879245697598 ~1986
12285011245700238 ~1986
12285263245705278 ~1986
12285359245707198 ~1986
122853792211368239 ~1989
12285451117940329710 ~1990
12285671245713438 ~1986
12286139245722798 ~1986
122861477125965279 ~1990
12286601982928098 ~1988
12286811245736238 ~1986
12286919245738398 ~1986
12286931245738638 ~1986
12287321737239278 ~1987
122873333686199919 ~1989
12287711245754238 ~1986
12287771245755438 ~1986
12287993737279598 ~1987
Exponent Prime Factor Digits Year
12288071245761438 ~1986
122880975652524639 ~1990
12288119245762398 ~1986
12288443245768878 ~1986
12289247983139778 ~1988
122894933686847919 ~1989
122896871228968719 ~1988
12290653737439198 ~1987
12290963245819278 ~1986
12290981737458878 ~1987
122914035162389279 ~1990
122917031229170319 ~1988
12292463245849278 ~1986
12293279245865598 ~1986
12293951245879038 ~1986
12294041737642478 ~1987
12294143245882878 ~1986
12294203245884078 ~1986
12294221737653278 ~1987
12294497983559778 ~1988
12294599245891998 ~1986
12294641737678478 ~1987
12295861737751678 ~1987
12295931245918638 ~1986
12296051245921038 ~1986
Exponent Prime Factor Digits Year
12296171245923438 ~1986
122964071229640719 ~1988
12296413737784798 ~1987
12296519245930398 ~1986
12296891245937838 ~1986
12297023245940478 ~1986
12297143245942878 ~1986
12297473737848398 ~1987
122977871229778719 ~1988
122978532951484739 ~1989
12298277737896638 ~1987
12298679245973598 ~1986
12298991245979838 ~1986
122991494919659619 ~1990
12299351245987038 ~1986
12299531245990638 ~1986
12300053738003198 ~1987
12300713738042798 ~1987
12300997738059838 ~1987
123011033198286799 ~1989
12301391246027838 ~1986
123016092706353999 ~1989
12301703246034078 ~1986
12302183246043678 ~1986
12302273738136398 ~1987
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24-10-27