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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
12936659258733198 ~1987
12937019258740398 ~1987
12937601776256078 ~1988
12937723168190399110 ~1991
12938231258764638 ~1987
12938741776324478 ~1988
12938879258777598 ~1987
129389231293892319 ~1988
12939061776343678 ~1988
12939203258784078 ~1987
12939637776378238 ~1988
12939683258793678 ~1987
12939851258797038 ~1987
129400014917200399 ~1990
12940079258801598 ~1987
12940223258804478 ~1987
12940523258810478 ~1987
12941101776466078 ~1988
129415611035324899 ~1988
12941639258832798 ~1987
12941843258836878 ~1987
129419091035352739 ~1988
12941963258839278 ~1987
129420671294206719 ~1988
12942179258843598 ~1987
Exponent Prime Factor Digits Year
12942791258855838 ~1987
12942983258859678 ~1987
12943223258864478 ~1987
12943507178620396710 ~1991
129435312070964979 ~1989
12943751258875038 ~1987
12943873776632398 ~1988
129439611035516899 ~1988
12944159258883198 ~1987
12944231258884638 ~1987
12944717776683038 ~1988
129453911294539119 ~1988
129456771035654179 ~1988
12945841776750478 ~1988
12946019258920398 ~1987
12946319258926398 ~1987
12946777776806638 ~1988
12946883258937678 ~1987
12946931258938638 ~1987
12946991258939838 ~1987
129470691035765539 ~1988
129470711294707119 ~1988
129473511035788099 ~1988
12947381776842878 ~1988
12947411258948238 ~1987
Exponent Prime Factor Digits Year
12947639258952798 ~1987
12948371258967438 ~1987
12949439258988798 ~1987
12949501776970078 ~1988
12949511258990238 ~1987
12949523258990478 ~1987
129497872330961679 ~1989
12949883258997678 ~1987
129499311035994499 ~1988
129501294144041299 ~1989
12950291259005838 ~1987
12950303259006078 ~1987
12950579259011598 ~1987
12950831259016638 ~1987
12950891259017838 ~1987
129514312331257599 ~1989
12951563259031278 ~1987
12951853777111198 ~1988
12951959259039198 ~1987
129522291813312079 ~1989
12952799259055998 ~1987
12953159259063198 ~1987
12953399259067998 ~1987
129533999326447299
129542395440780399 ~1990
Exponent Prime Factor Digits Year
12954299259085998 ~1987
129544632072714099 ~1989
12954611259092238 ~1987
12954719259094398 ~1987
129551331813718639 ~1989
12955259259105198 ~1987
12955531365345974310 ~1992
12956137194342055110 ~1991
12956759259135198 ~1987
12956903259138078 ~1987
129571491036571939 ~1988
129572931814021039 ~1989
12957419259148398 ~1987
12957457777447438 ~1988
12957611259152238 ~1987
12957839259156798 ~1987
12957911259158238 ~1987
129583971036671779 ~1988
12958433777505998 ~1988
12958691259173838 ~1987
12958859259177198 ~1987
12958919259178398 ~1987
12959123259182478 ~1987
12959183259183678 ~1987
12959351259187038 ~1987
1153
GIMPS The Prime Pages FactorDb.com
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25-05-04