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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
39487403789748078 ~1990
394877833948778319 ~1992
39487979789759598 ~1990
39488591789771838 ~1990
39488639789772798 ~1990
39490109150062414310 ~1993
39490163789803278 ~1990
39490751789815038 ~1990
394907993159263939 ~1992
39490823789816478 ~1990
39491219789824398 ~1990
39491423789828478 ~1990
39491531789830638 ~1990
39492119789842398 ~1990
394938895529144479 ~1992
39494219789884398 ~1990
39494639789892798 ~1990
39494963789899278 ~1990
39495083789901678 ~1990
39495541118486623110 ~1993
39495551789911038 ~1990
39495719789914398 ~1990
394959012369754079 ~1992
394964172369785039 ~1992
39497123789942478 ~1990
Exponent Prime Factor Digits Year
39498419789968398 ~1990
39498611789972238 ~1990
39498863789977278 ~1990
39499139789982798 ~1990
39499571789991438 ~1990
39499931789998638 ~1990
39500003790000078 ~1990
39500099790001998 ~1990
39500159790003198 ~1990
395008013160064099 ~1992
39501851790037038 ~1990
395022132370132799 ~1992
39502223790044478 ~1990
39502283790045678 ~1990
395023613160188899 ~1992
395029793160238339 ~1992
39503543790070878 ~1990
395043433950434319 ~1992
395043732370262399 ~1992
39504383790087678 ~1990
39505223790104478 ~1990
39505619790112398 ~1990
39505703790114078 ~1990
395063213160505699 ~1992
39507863102720443910 ~1993
Exponent Prime Factor Digits Year
39509231790184638 ~1990
39509471790189438 ~1990
39509891790197838 ~1990
395102572370615439 ~1992
39510539790210798 ~1990
395120172370721039 ~1992
39512051790241038 ~1990
39512519790250398 ~1990
39512591790251838 ~1990
39512699790253998 ~1990
39512939790258798 ~1990
39513059790261198 ~1990
39513203790264078 ~1990
39513503790270078 ~1990
39513959790279198 ~1990
395141573161132579 ~1992
39514619790292398 ~1990
39514883790297678 ~1990
395153176322450739 ~1993
39515999790319998 ~1990
39516359790327198 ~1990
39516443790328878 ~1990
39516611790332238 ~1990
39516731790334638 ~1990
39516803790336078 ~1990
Exponent Prime Factor Digits Year
39516923790338478 ~1990
39518159790363198 ~1990
39518579790371598 ~1990
395188375532637199 ~1992
39518903790378078 ~1990
39519131790382638 ~1990
39519383790387678 ~1990
395196736323147699 ~1993
39519719790394398 ~1990
395202976323247539 ~1993
395203373161626979 ~1992
39520751790415038 ~1990
39520991790419838 ~1990
39521047379402051310 ~1994
39521123790422478 ~1990
395211772371270639 ~1992
395216332371297999 ~1992
39521711790434238 ~1990
39522599790451998 ~1990
39523871790477438 ~1990
39524291790485838 ~1990
395244379485864899 ~1993
395245812371474879 ~1992
39524819790496398 ~1990
39525383790507678 ~1990
2132
GIMPS The Prime Pages FactorDb.com
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26-07-19