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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
27007199540143998 ~1989
270076611620459679 ~1990
27007979113433511910 ~1992
27008123540162478 ~1989
270086211620517279 ~1990
270087538102625919 ~1992
270091672160733379 ~1991
270101994861835839 ~1991
27010391540207838 ~1989
27010631540212638 ~1989
27011123540222478 ~1989
27011531540230638 ~1989
27011723540234478 ~1989
27012179540243598 ~1989
27013463540269278 ~1989
270135432701354319 ~1991
27013643540272878 ~1989
270137171620823039 ~1990
27013859540277198 ~1989
27013919540278398 ~1989
27014243540284878 ~1989
27015011540300238 ~1989
270150131620900799 ~1990
27015071540301438 ~1989
27015419540308398 ~1989
Exponent Prime Factor Digits Year
270156314322500979 ~1991
270158512161268099 ~1991
270158933782225039 ~1991
27016163540323278 ~1989
270165472161323779 ~1991
270166992701669919 ~1991
270167392161339139 ~1991
27017219540344398 ~1989
270172196484132579
27017759540355198 ~1989
27017999540359998 ~1989
27018119540362398 ~1989
27018311540366238 ~1989
27018851540377038 ~1989
27019703540394078 ~1989
27020303540406078 ~1989
27020639540412798 ~1989
27020771540415438 ~1989
27021311540426238 ~1989
27021443540428878 ~1989
27022213189155491110 ~1993
270225611621353679 ~1990
27022799540455998 ~1989
270230211621381279 ~1990
27023231540464638 ~1989
Exponent Prime Factor Digits Year
27024071540481438 ~1989
27025003113505012710 ~1992
27025079540501598 ~1989
270253018648096339 ~1992
270272112702721119 ~1991
27027419540548398 ~1989
27027503540550078 ~1989
27027683540553678 ~1989
27028103540562078 ~1989
270290872162326979 ~1991
270292211621753279 ~1990
27029339540586798 ~1989
270295032702950319 ~1991
270298872702988719 ~1991
270308112703081119 ~1991
27030959281121973710 ~1993
27031211540624238 ~1989
27031223540624478 ~1989
27031379540627598 ~1989
27031583540631678 ~1989
27032051540641038 ~1989
27032111540642238 ~1989
27032339540646798 ~1989
270327173784580399 ~1991
27033299540665998 ~1989
Exponent Prime Factor Digits Year
270333432703334319 ~1991
27033491540669838 ~1989
270336192703361919 ~1991
27033899540677998 ~1989
27033911540678238 ~1989
27034151540683038 ~1989
27034439540688798 ~1989
27034523540690478 ~1989
270349331622095999 ~1990
27035399540707998 ~1989
27035843540716878 ~1989
270360772162886179 ~1991
27037319540746398 ~1989
27037331540746638 ~1989
27037739540754798 ~1989
27038519540770398 ~1989
27038591540771838 ~1989
27038723540774478 ~1989
27039373173051987310 ~1993
270394971622369839 ~1990
27039599540791998 ~1989
270397032703970319 ~1991
27039791540795838 ~1989
27039839540796798 ~1989
27040631540812638 ~1989
1699
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25-11-17