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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
103944774989348979 ~1989
10394533623671998 ~1987
10394711207894238 ~1986
10395479831638338 ~1987
103954871663277939 ~1988
10395503207910078 ~1986
10395521623731278 ~1987
10395817623749038 ~1987
10395851207917038 ~1986
10395961623757678 ~1987
10396091207921838 ~1986
10396237623774238 ~1987
10396271207925438 ~1986
10396517831721378 ~1987
10396777623806638 ~1987
103968071663489139 ~1988
10397141623828478 ~1987
10397279207945598 ~1986
10397423207948478 ~1986
10397537831802978 ~1987
10397903207958078 ~1986
10398119207962398 ~1986
10398119831849538
10398433623905998 ~1987
10399297623957838 ~1987
Exponent Prime Factor Digits Year
10399357623961438 ~1987
10399439207988798 ~1986
10399751207995038 ~1986
10399793623987598 ~1987
10399993623999598 ~1987
10400171208003438 ~1986
10400303208006078 ~1986
10400339208006798 ~1986
10400681624040878 ~1987
10400701624042078 ~1987
10400783208015678 ~1986
10400891208017838 ~1986
104011031040110319 ~1987
104011992496287779 ~1988
10401437832114978 ~1987
10401733624103998 ~1987
10401737624104238 ~1987
104023092288507999 ~1988
10402333624139998 ~1987
104023332496559939
10402523208050478 ~1986
10402559208051198 ~1986
10402583208051678 ~1986
10402811208056238 ~1986
104028671872516079 ~1988
Exponent Prime Factor Digits Year
10403077624184638 ~1987
104031311040313119 ~1987
10403219208064398 ~1986
10403951208079038 ~1986
104041435826320099 ~1989
10404193624251598 ~1987
10404239208084798 ~1986
104046191040461919 ~1987
10404923208098478 ~1986
10404959101968598310 ~1990
10405321624319278 ~1987
10405337624320238 ~1987
104055671040556719 ~1987
10406321624379278 ~1987
10406531208130638 ~1986
10406639208132798 ~1986
10406723208134478 ~1986
10407011208140238 ~1986
10407263208145278 ~1986
10407277624436638 ~1987
10407443208148878 ~1986
10407503208150078 ~1986
10407623208152478 ~1986
10407671208153438 ~1986
10407779208155598 ~1986
Exponent Prime Factor Digits Year
10408571208171438 ~1986
10408897624533838 ~1987
10409141832731298 ~1987
10409369832749538 ~1987
104097712706540479 ~1989
10410377624622638 ~1987
10410479208209598 ~1986
10410503208210078 ~1986
10410539208210798 ~1986
10410611208212238 ~1986
10410839832867138 ~1987
10411091208221838 ~1986
10411679208233598 ~1986
104117591041175919 ~1987
10411873624712398 ~1987
10412117832969378 ~1987
10412197624731838 ~1987
104121975622586399
10412903208258078 ~1986
10413253624795198 ~1987
10413497624809838 ~1987
10413839208276798 ~1986
10413863208277278 ~1986
10413899208277998 ~1986
104140391874527039 ~1988
1047
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25-07-08