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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
243879411951035299 ~1990
24388163487763278 ~1989
24388631487772638 ~1989
24389399487787998 ~1989
24389531487790638 ~1989
243897731463386399 ~1990
24389819487796398 ~1989
24389999487799998 ~1989
24390263487805278 ~1989
243904392439043919 ~1990
243905511951244099 ~1990
24390599487811998 ~1989
243907033902512499 ~1991
24391403487828078 ~1989
24391439487828798 ~1989
243914691951317539 ~1990
24391751487835038 ~1989
24392279487845598 ~1989
24392411487848238 ~1989
24392591487851838 ~1989
24392999487859998 ~1989
243931911951455299 ~1990
24393403102452292710 ~1992
243939111951512899 ~1990
24393923487878478 ~1989
Exponent Prime Factor Digits Year
24393983487879678 ~1989
24394319487886398 ~1989
24395159487903198 ~1989
24395243487904878 ~1989
24395831487916638 ~1989
243961872439618719 ~1990
24396299487925998 ~1989
243965771463794639 ~1990
243967935855230339 ~1991
243973571463841439 ~1990
24397591161024100710 ~1992
24397811487956238 ~1989
24397991487959838 ~1989
24398219487964398 ~1989
24399443487988878 ~1989
24399491487989838 ~1989
24400163488003278 ~1989
24400451488009038 ~1989
24400583488011678 ~1989
24400979488019598 ~1989
244009791952078339
24401099488021998 ~1989
24402491488049838 ~1989
24403031488060638 ~1989
24403271488065438 ~1989
Exponent Prime Factor Digits Year
24403451488069038 ~1989
24403523488070478 ~1989
24403679488073598 ~1989
24404519488090398 ~1989
24404603488092078 ~1989
24404651488093038 ~1989
24404903488098078 ~1989
24405011488100238 ~1989
24405383488107678 ~1989
24406043488120878 ~1989
244063674393146079 ~1991
24406451488129038 ~1989
244065411464392479 ~1990
24406859488137198 ~1989
24407483488149678 ~1989
24407891488157838 ~1989
24408203488164078 ~1989
24409139488182798 ~1989
24409163488183278 ~1989
24409571488191438 ~1989
244107611464645679 ~1990
24411059488221198 ~1989
244111975858687299 ~1991
24411683488233678 ~1989
24411839488236798 ~1989
Exponent Prime Factor Digits Year
244119133905906099 ~1991
24412571488251438 ~1989
24412631488252638 ~1989
24413159488263198 ~1989
24413219488264398 ~1989
24413531488270638 ~1989
24413783488275678 ~1989
24415511488310238 ~1989
24415823488316478 ~1989
24415991488319838 ~1989
244162011464972079 ~1990
24416219488324398 ~1989
244162573906601139 ~1991
244164171953313379 ~1990
24416663488333278 ~1989
24416783488335678 ~1989
24417059488341198 ~1989
244170594395070639
244171872441718719 ~1990
24417791488355838 ~1989
24417803488356078 ~1989
24418379488367598 ~1989
24418679488373598 ~1989
24418763488375278 ~1989
244187693418627679 ~1991
1505
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24-10-27