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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
262077474717394479 ~1991
26208179524163598 ~1989
26208251524165038 ~1989
26208599524171998 ~1989
26208719524174398 ~1989
26209439524188798 ~1989
26209643524192878 ~1989
26209679524193598 ~1989
26209871524197438 ~1989
26211023524220478 ~1989
262115472621154719 ~1991
26211551524231038 ~1989
262121177863635119 ~1992
26212619524252398 ~1989
26213339524266798 ~1989
262133812097070499 ~1990
26213459524269198 ~1989
26213471524269438 ~1989
262138612097108899 ~1990
26214011524280238 ~1989
26214239524284798 ~1989
262147874718661679 ~1991
26215643524312878 ~1989
26215823524316478 ~1989
26216051524321038 ~1989
Exponent Prime Factor Digits Year
26216231524324638 ~1989
26216279524325598 ~1989
26216639524332798 ~1989
26216759524335198 ~1989
26217239524344798 ~1989
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
Exponent Prime Factor Digits Year
26225183524503678 ~1989
26225351524507038 ~1989
26225939524518798 ~1989
262261072098088579 ~1990
26226131524522638 ~1989
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
Exponent Prime Factor Digits Year
26232551524651038 ~1989
26232911524658238 ~1989
262329614197273779 ~1991
262345632623456319 ~1991
26235791524715838 ~1989
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
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25-05-04