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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
17963651359273038 ~1988
17963831359276638 ~1988
17964119359282398 ~1988
179641311437130499 ~1989
17964371359287438 ~1988
179645476107945999 ~1991
17964797140125416710 ~1992
179648092515073279 ~1990
17965511359310238 ~1988
17965823359316478 ~1988
179658234311797539
179662371437298979 ~1989
17966363359327278 ~1988
17966411359328238 ~1988
17966699359333998 ~1988
17966843359336878 ~1988
17967479359349598 ~1988
17967539359350798 ~1988
17967671359353438 ~1988
179681511437452099 ~1989
179682311796823119 ~1989
17968679359373598 ~1988
17969579359391598 ~1988
179695931078175599 ~1989
179698371437586979 ~1989
Exponent Prime Factor Digits Year
17969999359399998 ~1988
17970083359401678 ~1988
17970311359406238 ~1988
179704371078226239 ~1989
17970671359413438 ~1988
179707811078246879 ~1989
17971403359428078 ~1988
17971451359429038 ~1988
179718432875494899 ~1990
179720231797202319 ~1989
17972099359441998 ~1988
17972099161748891110
17972183359443678 ~1988
17972291359445838 ~1988
17972771359455438 ~1988
17973239359464798 ~1988
17973311359466238 ~1988
17973383359467678 ~1988
179735411078412479 ~1989
179740674673257439 ~1990
179744832875917299 ~1990
179747091437976739 ~1989
17974991359499838 ~1988
179750391438003139 ~1989
17975183359503678 ~1988
Exponent Prime Factor Digits Year
179759332516630639 ~1990
17976011359520238 ~1988
17976083359521678 ~1988
17976239359524798 ~1988
179766011078596079 ~1989
17976779359535598 ~1988
179770332876325299 ~1990
179774471797744719 ~1989
17977703359554078 ~1988
17977871359557438 ~1988
179778711438229699
17978699359573998 ~1988
179787473236174479 ~1990
17978771359575438 ~1988
17979119359582398 ~1988
17979551359591038 ~1988
17980379359607598 ~1988
17980463359609278 ~1988
17980799359615998 ~1988
179808771438470179 ~1989
17981063359621278 ~1988
179812611438500899 ~1989
17981279359625598 ~1988
17981651359633038 ~1988
17981819359636398 ~1988
Exponent Prime Factor Digits Year
17982011359640238 ~1988
17982119359642398 ~1988
17983391359667838 ~1988
179841292517778079 ~1990
17984159359683198 ~1988
17984303359686078 ~1988
17984783359695678 ~1988
17985059359701198 ~1988
17986211359724238 ~1988
17986439359728798 ~1988
179865372877845939 ~1990
179866791438934339 ~1989
179868312877892979 ~1990
179869671438957379 ~1989
17987159359743198 ~1988
17988083359761678 ~1988
179887571079325439 ~1989
179889771079338639 ~1989
17989271359785438 ~1988
179893731079362399 ~1989
17990363359807278 ~1988
17990579359811598 ~1988
179906531079439199 ~1989
17990723359814478 ~1988
17990783359815678 ~1988
1348
GIMPS The Prime Pages FactorDb.com
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25-05-04