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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
10117957607077438 ~1987
10118063202361278 ~1986
10118159202363198 ~1986
101182092428370179 ~1988
101182911821292399 ~1988
10118657607119438 ~1987
10118701607122078 ~1987
10118711202374238 ~1986
10118879202377598 ~1986
10118897607133838 ~1987
10119359202387198 ~1986
10119401607164078 ~1987
10119731202394638 ~1986
10119737607184238 ~1987
10119803202396078 ~1986
10120139202402798 ~1986
10120199202403998 ~1986
10120421607225278 ~1987
101207231012072319 ~1987
101207831012078319 ~1987
10121063202421278 ~1986
10121333607279998 ~1987
101215394251046399 ~1989
10121543202430878 ~1986
10121603202432078 ~1986
Exponent Prime Factor Digits Year
10121939202438798 ~1986
10122251202445038 ~1986
10122317607339038 ~1987
10122419202448398 ~1986
10122923202458478 ~1986
10122971202459438 ~1986
10123199202463998 ~1986
10123601607416078 ~1987
10123777607426638 ~1987
10124039202480798 ~1986
10124063202481278 ~1986
10124099202481998 ~1986
10124123202482478 ~1986
10124281607456878 ~1987
10124483202489678 ~1986
10124759202495198 ~1986
10125023202500478 ~1986
10125041607502478 ~1987
10125077607504638 ~1987
10125431202508638 ~1986
10125433607525998 ~1987
10125551202511038 ~1986
10125881607552878 ~1987
10126177607570638 ~1987
10126223202524478 ~1986
Exponent Prime Factor Digits Year
10126691202533838 ~1986
10126717607603038 ~1987
101267833443106239 ~1989
10127129810170338 ~1987
10127213607632798 ~1987
10127339202546798 ~1986
10127651202553038 ~1986
101276714051068419 ~1989
10127783202555678 ~1986
10127941607676478 ~1987
10128479202569598 ~1986
101285633241140179 ~1989
10128689810295138 ~1987
10128997607739838 ~1987
10129181607750878 ~1987
10129799202595998 ~1986
101301171418216399 ~1988
10130177810414178 ~1987
10130231202604638 ~1986
10130339202606798 ~1986
10130353607821198 ~1987
10130357607821438 ~1987
10130651202613038 ~1986
10130873607852398 ~1987
10130909810472738 ~1987
Exponent Prime Factor Digits Year
10131083202621678 ~1986
101311271013112719 ~1987
10131323202626478 ~1986
101314639118316719 ~1990
10132103202642078 ~1986
10132751202655038 ~1986
10133111202662238 ~1986
101331171418636399 ~1988
10133303202666078 ~1986
10133573608014398 ~1987
10134083202681678 ~1986
101341331621461299 ~1988
10134251202685038 ~1986
10134653608079198 ~1987
10134671202693438 ~1986
10134953608097198 ~1987
10134959202699198 ~1986
10135141608108478 ~1987
10135201608112078 ~1987
10135507131761591110 ~1990
10136099202721998 ~1986
10136221608173278 ~1987
101364533040935919 ~1989
10136501810920098 ~1987
10136579202731598 ~1986
1021
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25-05-04