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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
26218019524360398 ~1989
26218463524369278 ~1989
262184698389910099 ~1992
26218739524374798 ~1989
26218763524375278 ~1989
262192611573155679 ~1990
26220119524402398 ~1989
26220251524405038 ~1989
26220431524408638 ~1989
26221043524420878 ~1989
26221103524422078 ~1989
26221571524431438 ~1989
26221631524432638 ~1989
26222939524458798 ~1989
26223083524461678 ~1989
26223563524471278 ~1989
26223803524476078 ~1989
262241534195864499 ~1991
26224283524485678 ~1989
26225099524501998 ~1989
26225183524503678 ~1989
26225351524507038 ~1989
26225939524518798 ~1989
262261072098088579 ~1990
26226131524522638 ~1989
Exponent Prime Factor Digits Year
26226443524528878 ~1989
26226731524534638 ~1989
262270133671781839 ~1991
26227031524540638 ~1989
26227079524541598 ~1989
26229023524580478 ~1989
26229083524581678 ~1989
26229251524585038 ~1989
26229421120655336710 ~1992
26229551524591038 ~1989
26229803524596078 ~1989
26230103524602078 ~1989
26230163524603278 ~1989
26230343524606878 ~1989
26230931524618638 ~1989
26231171524623438 ~1989
262313771573882639 ~1990
26231519524630398 ~1989
26232203524644078 ~1989
262323731573942399 ~1990
26232551524651038 ~1989
26232911524658238 ~1989
262329614197273779 ~1991
262345632623456319 ~1991
26235791524715838 ~1989
Exponent Prime Factor Digits Year
262362474722524479 ~1991
26236403524728078 ~1989
26236439524728798 ~1989
26236823524736478 ~1989
26237219524744398 ~1989
26237591524751838 ~1989
262380131574280799 ~1990
262382571574295439 ~1990
26238623524772478 ~1989
26238659524773198 ~1989
26238731524774638 ~1989
26238851524777038 ~1989
26238923524778478 ~1989
262391174198258739 ~1991
262392314198276979 ~1991
26239463524789278 ~1989
26240243524804878 ~1989
26240303524806078 ~1989
262411394723405039 ~1991
262412777872383119 ~1992
26241431524828638 ~1989
26241443524828878 ~1989
262417514723515199 ~1991
26242019524840398 ~1989
262421093673895279 ~1991
Exponent Prime Factor Digits Year
26243039524860798 ~1989
26243219524864398 ~1989
26244083524881678 ~1989
26244791524895838 ~1989
26245211524904238 ~1989
26245379524907598 ~1989
26245451524909038 ~1989
26246123524922478 ~1989
26247409104989636110 ~1992
262474131574844799 ~1990
26247563524951278 ~1989
262486371574918239 ~1990
26248679524973598 ~1989
26249183524983678 ~1989
26249291524985838 ~1989
26249519524990398 ~1989
26250491525009838 ~1989
26250743525014878 ~1989
262511171575067039 ~1990
26251163525023278 ~1989
26251223525024478 ~1989
26251343525026878 ~1989
26251523525030478 ~1989
26251619525032398 ~1989
26251811525036238 ~1989
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25-04-13