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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
18355451367109038 ~1988
183555531101333199 ~1989
18355583367111678 ~1988
183557831835578319 ~1989
18356003367120078 ~1988
183563211468505699 ~1989
18357191367143838 ~1988
18357491367149838 ~1988
183574911468599299
18357503411208067310 ~1993
18358271664569410310 ~1993
183583212937331379 ~1990
18358523367170478 ~1988
18359717323131019310 ~1992
18359879367197598 ~1988
18360071367201438 ~1988
18360131367202638 ~1988
18360383367207678 ~1988
18360577396588463310 ~1993
18360971367219438 ~1988
18361859367237198 ~1988
18361883367237678 ~1988
18361979367239598 ~1988
183622371101734239 ~1989
18362411367248238 ~1988
Exponent Prime Factor Digits Year
18362699367253998 ~1988
183627611101765679 ~1989
18363011367260238 ~1988
183631331101787999 ~1989
183632519181625519 ~1991
18363263367265278 ~1988
183637996243691679 ~1991
183639912938238579 ~1990
18364259367285198 ~1988
183647691469181539 ~1989
18364799367295998 ~1988
183649397345975619 ~1991
183653711836537119 ~1989
183654111469232899 ~1989
18366371367327438 ~1988
18366839367336798 ~1988
18366899367337998 ~1988
18366923367338478 ~1988
183671894040781599 ~1990
183673972571435599 ~1990
183674831836748319 ~1989
183677572571485999 ~1990
18367859367357198 ~1988
18368111367362238 ~1988
18368543367370878 ~1988
Exponent Prime Factor Digits Year
18368699367373998 ~1988
18369023367380478 ~1988
18369359367387198 ~1988
18369419367388398 ~1988
183696132817898634311 ~1995
18369733980943742310 ~1994
18369971367399438 ~1988
18370679367413598 ~1988
18370799367415998 ~1988
18370823367416478 ~1988
18371051367421038 ~1988
18371063367421278 ~1988
183711673306810079 ~1990
18371663367433278 ~1988
18372083367441678 ~1988
18372383367447678 ~1988
18372443367448878 ~1988
183725211102351279 ~1989
18373031367460638 ~1988
18373259367465198 ~1988
183733011102398079 ~1989
18373499367469998 ~1988
18373739367474798 ~1988
18373763367475278 ~1988
18373919367478398 ~1988
Exponent Prime Factor Digits Year
18374771367495438 ~1988
18375083367501678 ~1988
183751037717543279 ~1991
183755575512667119 ~1991
18375911367518238 ~1988
18376499367529998 ~1988
18376511367530238 ~1988
183773691470189539 ~1989
183774771102648639 ~1989
18377543367550878 ~1988
18378203367564078 ~1988
18378791367575838 ~1988
18379079367581598 ~1988
18379799367595998 ~1988
18379943367598878 ~1988
18380003367600078 ~1988
18380699367613998 ~1988
18380759367615198 ~1988
18380819367616398 ~1988
183810171470481379 ~1989
18382223367644478 ~1988
18382379367647598 ~1988
18382979367659598 ~1988
18383399367667998 ~1988
18383483367669678 ~1988
1356
GIMPS The Prime Pages FactorDb.com
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25-04-13