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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.
Exp. Prime Factor Digits Year
112126189700897 ~1980
1121293246684478 ~1981
112129767277837 ~1979
1121347201842478 ~1981
1121389538266738 ~1982
112142322428477 ~1978
1121599381343678 ~1981
112162189729697 ~1980
1121629269190978 ~1981
1121651358928338 ~1981
1121671173410336710 ~1985
112169367301597 ~1979
112169922433997 ~1978
1121723897378418 ~1982
112183122436637 ~1978
11218371772502479 ~1983
112213767328237 ~1979
11221372580915119
1122227269334498 ~1981
1122241179558578 ~1980
1122287561143518 ~1982
1122389695881198 ~1982
1122427112242718 ~1980
112243122448637 ~1978
1122449359183698 ~1981
Exp. Prime Factor Digits Year
11224811795969619 ~1983
11224814018481999
112262322452477 ~1978
1122643179622898 ~1980
112264789811777 ~1980
112265922453197 ~1978
1122679112267918 ~1980
1122739988010338 ~1982
1122841179654578 ~1980
112289922457997 ~1978
112294189835297 ~1980
112312789850177 ~1980
1123307202195278 ~1981
112334989867937 ~1980
1123351112335118 ~1980
1123351651543598
1123567179770738 ~1980
1123909247259998 ~1981
112394322478877 ~1978
112396167437677 ~1979
1124107449642818 ~1981
11241071281481999
112419767451837 ~1979
112421922484397 ~1978
112435122487037 ~1978
Exp. Prime Factor Digits Year
112442322488477 ~1978
1124449989515138 ~1982
112453122490637 ~1978
112460322492077 ~1978
1124639269913378 ~1981
11246531079666899 ~1982
112469922493997 ~1978
112479767487837 ~1979
1124807629891938 ~1982
1124833517423198 ~1982
1124983112498318 ~1980
1124993629996098 ~1982
112501767501037 ~1979
1125209157529278 ~1980
1125253270060738 ~1981
1125391810281538 ~1982
112540190032097 ~1980
1125473337641918 ~1981
112559922511997 ~1978
1125647270155298 ~1981
1125701220412255910 ~1986
1125713270171138 ~1981
112579790063777 ~1980
1125911391817028110 ~1986
1125973788181118 ~1982
Exp. Prime Factor Digits Year
112603367561997 ~1979
112604322520877 ~1978
11261891148712799 ~1982
11261891351426819
11262111441550099 ~1983
112625922525197 ~1978
112628322525677 ~1978
112631922526397 ~1978
112636190108897 ~1980
1126387112638718 ~1980
1126387450554818
112652322530477 ~1978
11265771442018579 ~1983
112678190142497 ~1980
112703922540797 ~1978
112711122542237 ~1978
112712322542477 ~1978
1127183473416878 ~1981
1127227383257198 ~1981
1127281248001838 ~1981
112730322546077 ~1978
1127383112738318 ~1980
11274071623466099 ~1983
1127527202954878 ~1981
112753122550637 ~1978
269
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26-01-11