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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
18536351370727038 ~1988
18536363370727278 ~1988
185370678897792179 ~1991
185370971112225839 ~1989
185373972965983539 ~1990
18537983370759678 ~1988
18538199370763998 ~1988
185382411483059299 ~1989
18538463370769278 ~1988
185387572595425999 ~1990
18539099370781998 ~1988
18539123370782478 ~1988
18539879370797598 ~1988
185401911483215299 ~1989
18540479370809598 ~1988
18540971370819438 ~1988
185412411112474479 ~1989
18541559370831198 ~1988
185421292595898079 ~1990
185429695933750099 ~1991
18543023370860478 ~1988
185431571112589439 ~1989
185435091483480739 ~1989
185438094450514179 ~1990
18544283370885678 ~1988
Exponent Prime Factor Digits Year
18544523370890478 ~1988
18544871370897438 ~1988
185457892596410479 ~1990
185462934451110339 ~1990
185464694451152579 ~1990
185465531112793199 ~1989
18546611370932238 ~1988
185467611483740899 ~1989
18547031370940638 ~1988
18547883370957678 ~1988
18548279370965598 ~1988
18548891370977838 ~1988
18548903370978078 ~1988
185489271483914179 ~1989
18549059370981198 ~1988
18549071370981438 ~1988
185494032967904499 ~1990
18549539370990798 ~1988
18549599370991998 ~1988
18549623370992478 ~1988
18549743370994878 ~1988
18549851370997038 ~1988
185499317790971039 ~1991
185501175565035119 ~1991
18550331371006638 ~1988
Exponent Prime Factor Digits Year
18550439371008798 ~1988
18550751371015038 ~1988
185519411113116479 ~1989
18552251371045038 ~1988
18552311371046238 ~1988
18552983371059678 ~1988
18553343371066878 ~1988
18553679371073598 ~1988
18553751371075038 ~1988
185538772597542799 ~1990
18554303371086078 ~1988
18554363371087278 ~1988
18554411371088238 ~1988
185544111484352899
185551391855513919 ~1989
18555263371105278 ~1988
18555539371110798 ~1988
18555731371114638 ~1988
18555791371115838 ~1988
185557931113347599 ~1989
185559912968958579 ~1990
185563277422530819 ~1991
18556403371128078 ~1988
18556523371130478 ~1988
18556619371132398 ~1988
Exponent Prime Factor Digits Year
18556799371135998 ~1988
18556991371139838 ~1988
18557219371144398 ~1988
18557663371153278 ~1988
185577171484617379 ~1989
18558623371172478 ~1988
185589731113538399 ~1989
18559283371185678 ~1988
18559319371186398 ~1988
18559379371187598 ~1988
185595731113574399 ~1989
18560099371201998 ~1988
18560303371206078 ~1988
185605931113635599 ~1989
18560819371216398 ~1988
185608372598517199 ~1990
18560879371217598 ~1988
18560903371218078 ~1988
18560963371219278 ~1988
185611814083459839 ~1990
18561443371228878 ~1988
18561503371230078 ~1988
185617211113703279 ~1989
18561863371237278 ~1988
18561923371238478 ~1988
1368
GIMPS The Prime Pages FactorDb.com
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25-05-04