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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
123025131722351839 ~1988
123026831230268319 ~1988
123028131722393839 ~1988
12303857738231438 ~1987
12304139984331138 ~1988
12304283246085678 ~1986
12304337738260238 ~1987
12304703246094078 ~1986
12305197738311838 ~1987
12305231246104638 ~1986
123052392214943039 ~1989
12305653738339198 ~1987
12305879246117598 ~1986
12305879984470338
12306673155064079910 ~1991
12306743246134878 ~1986
12306779246135598 ~1986
12307271246145438 ~1986
12307391246147838 ~1986
123075791230757919 ~1988
12307703246154078 ~1986
12308123246162478 ~1986
123086872215563679 ~1989
12308693738521598 ~1987
12308843246176878 ~1986
Exponent Prime Factor Digits Year
12309023246180478 ~1986
12309179246183598 ~1986
12309239246184798 ~1986
12309299246185998 ~1986
12309431984754498 ~1988
12310019246200398 ~1986
12310097738605838 ~1987
12310541738632478 ~1987
12310871246217438 ~1986
12310979246219598 ~1986
12311063246221278 ~1986
12311339246226798 ~1986
12311513738690798 ~1987
12311699246233998 ~1986
123118371723657199 ~1988
123120891723692479 ~1988
12312119246242398 ~1986
123122772954946499 ~1989
123124016894944579 ~1990
12312431246248638 ~1986
12312431984994498
12312851246257038 ~1986
12313043246260878 ~1986
12313229985058338 ~1988
12313319246266398 ~1986
Exponent Prime Factor Digits Year
12313799246275998 ~1986
12314051246281038 ~1986
12314363246287278 ~1986
12314459985156738 ~1988
12314651246293038 ~1986
12314699246293998 ~1986
123148031231480319 ~1988
12314891246297838 ~1986
12315161738909678 ~1987
12315659246313198 ~1986
12315713738942798 ~1987
12315851246317038 ~1986
12316631246332638 ~1986
12316861739011678 ~1987
12317003246340078 ~1986
12317353739041198 ~1987
123174416897766979 ~1990
12317531246350638 ~1986
123175971724463599 ~1988
12317771246355438 ~1986
12317771147813252110
123178634188073439 ~1989
12318437985474978 ~1988
12318503246370078 ~1986
12318791246375838 ~1986
Exponent Prime Factor Digits Year
12319477739168638 ~1987
123197999116651279 ~1990
12320351246407038 ~1986
12320411246408238 ~1986
12320783246415678 ~1986
12321131246422638 ~1986
12321893739313598 ~1987
123220813696624319 ~1989
123224232957381539 ~1989
12322451246449038 ~1986
12322643246452878 ~1986
123227111971633779 ~1989
123233873204080639 ~1989
12323471246469438 ~1986
123235131725291839 ~1988
12323537985882978 ~1988
12324659246493198 ~1986
123248272218468879 ~1989
12324839246496798 ~1986
12324899246497998 ~1986
12325151246503038 ~1986
12325451246509038 ~1986
123255674930226819 ~1990
12326063246521278 ~1986
12326519246530398 ~1986
1083
GIMPS The Prime Pages FactorDb.com
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24-10-27