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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
9572063191441278 ~1986
9572483191449678 ~1986
9572621765809698 ~1987
9572711765816898 ~1987
95728371340197199 ~1988
9573077765846178 ~1987
95736618424821699 ~1990
9573719191474398 ~1986
9574007765920578 ~1987
9574283191485678 ~1986
95742893638229839 ~1989
95743332297839939 ~1988
9574541765963298 ~1987
9574751191495038 ~1986
9574751765980098
9574871191497438 ~1986
95749192297980579 ~1988
9575123191502478 ~1986
9575141574508478 ~1987
9575257574515438 ~1987
9576103957610318 ~1987
9576121574567278 ~1987
9576227766098178 ~1987
9576263191525278 ~1986
9576313574578798 ~1987
Exp. Prime Factor Digits Year
95764311723757599 ~1988
9576577574594638 ~1987
95770211532323379 ~1988
9577033574621998 ~1987
9577523191550478 ~1986
9577739766219138 ~1987
9577979191559598 ~1986
95782092873462719 ~1988
9578221574693278 ~1987
95783571340969999 ~1988
9578711191574238 ~1986
9578957574737438 ~1987
9578963191579278 ~1986
9579343957934318 ~1987
9579371191587438 ~1986
9579511957951118 ~1987
95796171341146399 ~1988
9579659191593198 ~1986
9579851191597038 ~1986
95798594598332339 ~1989
9580139191602798 ~1986
95801412107631039 ~1988
9580223191604478 ~1986
95803811532860979 ~1988
9580451191609038 ~1986
Exp. Prime Factor Digits Year
9580463191609278 ~1986
9580559191611198 ~1986
9580559766444738
9580561574833678 ~1987
9580667766453378 ~1987
9580937766474978 ~1987
9581219191624398 ~1986
9581233574873998 ~1987
95813091341383279 ~1988
9581543191630878 ~1986
9581587958158718 ~1987
9581701574902078 ~1987
9581837574910238 ~1987
9581963191639278 ~1986
9582263191645278 ~1986
9582323191646478 ~1986
9582337574940238 ~1987
9582791191655838 ~1986
9582817574969038 ~1987
9582899191657998 ~1986
95830331533285299 ~1988
9583103191662078 ~1986
95833193066662099 ~1988
9583439191668798 ~1986
9583501575010078 ~1987
Exp. Prime Factor Digits Year
9583919191678398 ~1986
9584521575071278 ~1987
9584699191693998 ~1986
9585011191700238 ~1986
9585311191706238 ~1986
9585371191707438 ~1986
9585883958588318 ~1987
9585959766876738 ~1987
9586151766892098 ~1987
9586961575217678 ~1987
9587003191740078 ~1986
9587111191742238 ~1986
9587701575262078 ~1987
9587713575262798 ~1987
9588101575286078 ~1987
9588107767048578 ~1987
9588307958830718 ~1987
9588431191768638 ~1986
9588599191771998 ~1986
9588659767092738 ~1987
9588899191777998 ~1986
9588959191779198 ~1986
9589259191785198 ~1986
95893131342503839 ~1988
95894771534316339 ~1988
1045
GIMPS The Prime Pages FactorDb.com
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26-05-03