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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
22228631444572638 ~1988
22228691444573838 ~1988
222293771333762639 ~1990
222295671778365379 ~1990
22229579444591598 ~1988
222296531333779199 ~1990
222299394001389039 ~1991
222301133112215839 ~1990
22230119444602398 ~1988
22230359444607198 ~1988
222303594001464639
22230623444612478 ~1988
22231151444623038 ~1988
22231199444623998 ~1988
22231439444628798 ~1988
22233311444666238 ~1988
22233443444668878 ~1988
22233539444670798 ~1988
22234403444688078 ~1988
22235051444701038 ~1988
22235231444704638 ~1988
22235459444709198 ~1988
22235879444717598 ~1988
22236491444729838 ~1988
222365811334194879 ~1990
Exponent Prime Factor Digits Year
22237151444743038 ~1988
22237511444750238 ~1988
22238351444767038 ~1988
22238459444769198 ~1988
22238603444772078 ~1988
22239011444780238 ~1988
222391811334350879 ~1990
222392411334354479 ~1990
222396192223961919 ~1990
222396194003131439
22239683444793678 ~1988
22239697209053151910 ~1992
22240391444807838 ~1988
22240703444814078 ~1988
22241339444826798 ~1988
222414134893110879 ~1991
22241519444830398 ~1988
222419531334517199 ~1990
22241963444839278 ~1988
222422511779380099 ~1990
222424011334544079 ~1990
22242611444852238 ~1988
22242659444853198 ~1988
22243283444865678 ~1988
22243439444868798 ~1988
Exponent Prime Factor Digits Year
222435794003844239 ~1991
222443113559089779 ~1991
222447771334686639 ~1990
22244879444897598 ~1988
22245263444905278 ~1988
22245719444914398 ~1988
22245803444916078 ~1988
222459131334754799 ~1990
22246019444920398 ~1988
22246079444921598 ~1988
22246331444926638 ~1988
222463371779706979 ~1990
22247363444947278 ~1988
22248119444962398 ~1988
222482271779858179 ~1990
22248851444977038 ~1988
22249091444981838 ~1988
22249151444983038 ~1988
22249343444986878 ~1988
222493731334962399 ~1990
22250099445001998 ~1988
222501011335006079 ~1990
22250639445012798 ~1988
22250759445015198 ~1988
22250771445015438 ~1988
Exponent Prime Factor Digits Year
22251371445027438 ~1988
22251503445030078 ~1988
222515331335091999 ~1990
22251731445034638 ~1988
22251923445038478 ~1988
22252343445046878 ~1988
22253183445063678 ~1988
222534176676025119 ~1991
22253519445070398 ~1988
22253723445074478 ~1988
22253879445077598 ~1988
22254059445081198 ~1988
22254119445082398 ~1988
222547334896041279 ~1991
222549371335296239 ~1990
22254959445099198 ~1988
222550971780407779 ~1990
222551091780408739 ~1990
22256231445124638 ~1988
22256483445129678 ~1988
22256603445132078 ~1988
22256879445137598 ~1988
22257503445150078 ~1988
22258199445163998 ~1988
22258343445166878 ~1988
1488
GIMPS The Prime Pages FactorDb.com
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25-04-13