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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
176555935311197 ~1980
1765559741534798
1765741105944478 ~1981
1765741282518578
1765873105952398 ~1981
1765891706356418 ~1983
1765997141279778 ~1981
176600335320077 ~1980
176612335322477 ~1980
1766251282600178 ~1982
176627935325597 ~1980
1766309847828338 ~1983
1766459141316738 ~1981
1766537105992238 ~1981
17665812508545039 ~1984
176660335332077 ~1980
1766717424012098 ~1982
1766761106005678 ~1981
176693935338797 ~1980
1767071141365698 ~1981
1767091318076398 ~1982
1767121282739378 ~1982
176713135342637 ~1980
176720335344077 ~1980
1767329141386338 ~1981
Exp. Prime Factor Digits Year
1767449247442878 ~1982
1767691318184398 ~1982
1767707848499378 ~1983
1767917106075038 ~1981
1767979176797918 ~1982
1768057106083438 ~1981
1768069388975198 ~1982
176849935369997 ~1980
1768517106111038 ~1981
176852335370477 ~1980
1768537424448898 ~1982
1768873424529538 ~1982
1769069141525538 ~1981
1769093566109778 ~1983
1769297247701598 ~1982
17692972653945519
1769323176932318 ~1982
1769333530799918 ~1983
1769543424690338 ~1982
1769623601671838 ~1983
1769633424711938 ~1982
17697915698727039 ~1985
1769917106195038 ~1981
1769987849593778 ~1983
1770001849600498 ~1983
Exp. Prime Factor Digits Year
1770061106203678 ~1981
1770089247812478 ~1982
1770199318635838 ~1982
1770259177025918 ~1982
1770313106218798 ~1981
17703313292815679 ~1985
1770449141635938 ~1981
17704491947493919
1770521531156318 ~1983
177053935410797 ~1980
1770683743686878 ~1983
17708932231325199 ~1984
177091135418237 ~1980
1770919177091918 ~1982
1771157673039678 ~1983
177122335424477 ~1980
177127135425437 ~1980
1771397531419118 ~1983
1771421141713698 ~1981
1771421531426318
1771453106287198 ~1981
177146335429277 ~1980
1771613106296798 ~1981
177175135435037 ~1980
1771787460664638 ~1983
Exp. Prime Factor Digits Year
1771799141743938 ~1981
1771937425264898 ~1982
1772077283532338 ~1982
1772101106326078 ~1981
1772101283536178
1772291567133138 ~1983
1772317531695118 ~1983
1772359177235918 ~1982
1772399567167698 ~1983
1772467283594738 ~1982
1772483460845598 ~1983
17724972942345039 ~1984
1772501567200338 ~1983
177253135450637 ~1980
177259135451837 ~1980
1772597531779118 ~1983
17725975246887139
1772629425430978 ~1982
1772677283628338 ~1982
177278335455677 ~1980
1772801141824098 ~1981
1772893425494338 ~1982
17729891134712979 ~1983
177305935461197 ~1980
177307135461437 ~1980
363
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26-02-08