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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
39475823789516478 ~1990
39476219789524398 ~1990
394766532368599199 ~1991
39478151789563038 ~1990
394782797106090239 ~1993
39479903789598078 ~1990
394805693158445539 ~1992
39481511789630238 ~1990
39481763789635278 ~1990
39482291789645838 ~1990
39483959789679198 ~1990
39484199789683998 ~1990
394870373158962979 ~1992
39487403789748078 ~1990
394877833948778319 ~1992
39488591789771838 ~1990
39488639789772798 ~1990
39490109150062414310 ~1993
39490163789803278 ~1990
39490751789815038 ~1990
394907993159263939 ~1992
39491219789824398 ~1990
39491423789828478 ~1990
394938895529144479 ~1992
39494639789892798 ~1990
Exponent Prime Factor Digits Year
39494963789899278 ~1990
39495541118486623110 ~1993
39495551789911038 ~1990
394964172369785039 ~1991
39498611789972238 ~1990
39498863789977278 ~1990
39499139789982798 ~1990
39499571789991438 ~1990
39500003790000078 ~1990
39500099790001998 ~1990
39500159790003198 ~1990
395008013160064099 ~1992
39501851790037038 ~1990
395022132370132799 ~1991
39502283790045678 ~1990
395023613160188899 ~1992
395029793160238339 ~1992
395043433950434319 ~1992
395043732370262399 ~1991
39504383790087678 ~1990
39505703790114078 ~1990
39507863102720443910 ~1993
39509231790184638 ~1990
39509471790189438 ~1990
395120172370721039 ~1991
Exponent Prime Factor Digits Year
39512051790241038 ~1990
39512519790250398 ~1990
39513959790279198 ~1990
395141573161132579 ~1992
39514619790292398 ~1990
395153176322450739 ~1993
39515999790319998 ~1990
39516611790332238 ~1990
39516731790334638 ~1990
39516923790338478 ~1990
39518159790363198 ~1990
395188375532637199 ~1992
39519131790382638 ~1990
395196736323147699 ~1993
39519719790394398 ~1990
395202976323247539 ~1993
395203373161626979 ~1992
39520751790415038 ~1990
39520991790419838 ~1990
39521047379402051310 ~1994
39521123790422478 ~1990
395211772371270639 ~1991
39521711790434238 ~1990
39523871790477438 ~1990
395244379485864899 ~1993
Exponent Prime Factor Digits Year
395245812371474879 ~1991
39525383790507678 ~1990
39525659790513198 ~1990
395271612371629679 ~1991
395278193162225539 ~1992
395281972371691839 ~1991
39528719790574398 ~1990
39528971790579438 ~1990
395306695534293679 ~1992
395307612371845679 ~1991
39530891790617838 ~1990
39532663134411054310 ~1993
39533051790661038 ~1990
39533759790675198 ~1990
39533783790675678 ~1990
39534419790688398 ~1990
395360517116489199 ~1993
39536099790721998 ~1990
39536699790733998 ~1990
39537203790744078 ~1990
39537863790757278 ~1990
39538189189783307310 ~1994
395388412372330479 ~1991
395400012372400079 ~1991
39540899790817998 ~1990
2001
GIMPS The Prime Pages FactorDb.com
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25-10-20