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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
245024531470147199 ~1990
24502823490056478 ~1989
245029491960235939 ~1990
24502949132315924710
24503471490069438 ~1989
245035733430500239 ~1991
24503603490072078 ~1989
24504059490081198 ~1989
24504071490081438 ~1989
24504611490092238 ~1989
24504899490097998 ~1989
24505139490102798 ~1989
245061011470366079 ~1990
24506591490131838 ~1989
24506819490136398 ~1989
24507023490140478 ~1989
245071813921148979 ~1991
24507239490144798 ~1989
24507911490158238 ~1989
24508163490163278 ~1989
245089371470536239 ~1990
24509279490185598 ~1989
24509339490186798 ~1989
245101971470611839 ~1990
245102571960820579 ~1990
Exponent Prime Factor Digits Year
24511439490228798 ~1989
24511523490230478 ~1989
24512303490246078 ~1989
245131911961055299 ~1990
24513299490265998 ~1989
24513383490267678 ~1989
245134032451340319 ~1990
24513683490273678 ~1989
24513803490276078 ~1989
24514079490281598 ~1989
245142072451420719 ~1990
245148291961186339 ~1990
24515279490305598 ~1989
24516491490329838 ~1989
24516743490334878 ~1989
24516851490337038 ~1989
245172531471035199 ~1990
24517463490349278 ~1989
245176371961410979 ~1990
24517991490359838 ~1989
24518051490361038 ~1989
245181299316889039 ~1992
24518243490364878 ~1989
24518339490366798 ~1989
24519263490385278 ~1989
Exponent Prime Factor Digits Year
24520319490406398 ~1989
24520343490406878 ~1989
24520571490411438 ~1989
245209131471254799 ~1990
24521411490428238 ~1989
24522191490443838 ~1989
24522419490448398 ~1989
24522539490450798 ~1989
245235611471413679 ~1990
24523679490473598 ~1989
245240331471441999 ~1990
24524243490484878 ~1989
24524651490493038 ~1989
24524963490499278 ~1989
24525131490502638 ~1989
24525311490506238 ~1989
24525443490508878 ~1989
24525491490509838 ~1989
24525911490518238 ~1989
24526031490520638 ~1989
245265531471593199 ~1990
245269611962156899 ~1990
245275131471650799 ~1990
24527543490550878 ~1989
245275632452756319 ~1990
Exponent Prime Factor Digits Year
24527771490555438 ~1989
24527807122639035110 ~1992
245281731471690399 ~1990
24528239490564798 ~1989
24528503490570078 ~1989
24528551490571038 ~1989
245292131471752799 ~1990
24529919490598398 ~1989
24530183490603678 ~1989
24530699490613998 ~1989
24530783490615678 ~1989
24531239490624798 ~1989
245320095887682179 ~1991
24532199490643998 ~1989
24532223490644478 ~1989
24532451490649038 ~1989
245327333434582639 ~1991
24533039490660798 ~1989
24533099122665495110 ~1992
24533699490673998 ~1989
245340792453407919 ~1990
24534287122671435110 ~1992
245343312453433119 ~1990
24534539490690798 ~1989
245351871962814979 ~1990
1629
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25-12-14