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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
1762247140979778 ~1981
176245135249037 ~1980
17624711268979139 ~1984
176249935249997 ~1980
1762499140999938
1762517141001378 ~1981
176257135251437 ~1980
176258335251677 ~1980
17626012115121219 ~1984
1762721105763278 ~1981
1762777105766638 ~1981
1762907423097698 ~1982
1762933387845278 ~1982
1763147317366478 ~1982
176315935263197 ~1980
1763263423183138 ~1982
17632691269553699 ~1984
1763303740587278 ~1983
1763417670098478 ~1983
1763429246880078 ~1982
1763513246891838 ~1982
1763549670148638 ~1983
1763651141092098 ~1981
1763677282188338 ~1982
1763717141097378 ~1981
Exp. Prime Factor Digits Year
1763719705487618 ~1983
176375935275197 ~1980
1763963881981518 ~1983
1764047458652238 ~1983
176407135281437 ~1980
1764097105845838 ~1981
1764199423407778 ~1982
1764221141137698 ~1981
1764293105857598 ~1981
1764293988004098
1764313282290098 ~1982
1764319317577438 ~1982
17644631446859679 ~1984
1764479317606238 ~1982
1764611317629998 ~1982
1764671564694738 ~1983
176468335293677 ~1980
1764731141178498 ~1981
1764757282361138 ~1982
1764871176487118 ~1982
1765013247101838 ~1982
176507935301597 ~1980
1765123600141838 ~1983
1765129388328398 ~1982
1765147282423538 ~1982
Exp. Prime Factor Digits Year
1765289141223138 ~1981
1765349141227938 ~1981
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
Exp. Prime Factor Digits Year
176720335344077 ~1980
17672393852581039 ~1985
1767329141386338 ~1981
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
365
GIMPS The Prime Pages FactorDb.com
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26-05-10