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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
1916921771383384354310 ~2003
191694654113418625787112 ~2007
1917110771383422154310 ~2003
19171620891533729671311 ~2005
1917261779383452355910 ~2003
1917286583383457316710 ~2003
19176547971534123837711 ~2005
1917704543383540908710 ~2003
19177482011150648920711 ~2005
19178938211150736292711 ~2005
1918037651383607530310 ~2003
1918210799383642159910 ~2003
1918336811383667362310 ~2003
19183436211151006172711 ~2005
1918395491383679098310 ~2003
19184385191918438519111 ~2005
19184977391918497739111 ~2005
1918569071383713814310 ~2003
1918631063383726212710 ~2003
1918639991383727998310 ~2003
19186522731151191363911 ~2005
1918719251383743850310 ~2003
1918772279383754455910 ~2003
1918772963383754592710 ~2003
1918822751383764550310 ~2003
Exponent Prime Factor Digits Year
1918854323383770864710 ~2003
19190558931151433535911 ~2005
1919058899383811779910 ~2003
19190848011151450880711 ~2005
1919188571383837714310 ~2003
1919202431383840486310 ~2003
1919266379383853275910 ~2003
1919270159383854031910 ~2003
19194335773071093723311 ~2006
19194492617677797044111 ~2007
1919481359383896271910 ~2003
19195180371151710822311 ~2005
1919555003383911000710 ~2003
19196255833071400932911 ~2006
1919684831383936966310 ~2003
1919731223383946244710 ~2003
19198074738831114375911 ~2007
1919813123383962624710 ~2003
1919904743383980948710 ~2003
1919958983383991796710 ~2003
1919993051383998610310 ~2003
19200053713072008593711 ~2006
1920054371384010874310 ~2003
1920095783384019156710 ~2003
1920132059384026411910 ~2003
Exponent Prime Factor Digits Year
1920157559384031511910 ~2003
1920174359384034871910 ~2003
19202063331152123799911 ~2005
1920207059384041411910 ~2003
19203318114992862708711 ~2006
1920337511384067502310 ~2003
1920353339384070667910 ~2003
1920500579384100115910 ~2003
1920500723384100144710 ~2003
1920518903384103780710 ~2003
1920554063384110812710 ~2003
192057250935338534165712 ~2008
1920586463384117292710 ~2003
19206042671920604267111 ~2005
19206862194609646925711 ~2006
1920887231384177446310 ~2003
1920905663384181132710 ~2003
19209215811152552948711 ~2005
1920925151384185030310 ~2003
1920987863384197572710 ~2003
1920999623384199924710 ~2003
19210181571152610894311 ~2005
19210632171152637930311 ~2005
1921070111384214022310 ~2003
1921119719384223943910 ~2003
Exponent Prime Factor Digits Year
1921181963384236392710 ~2003
1921212539384242507910 ~2003
19213910391537112831311 ~2005
19214904892690086684711 ~2006
1921705451384341090310 ~2003
19217442171537395373711 ~2005
1921816079384363215910 ~2003
1921857383384371476710 ~2003
1921861391384372278310 ~2003
1921937999384387599910 ~2003
1922054111384410822310 ~2003
1922063219384412643910 ~2003
1922102051384420410310 ~2003
19221459311922145931111 ~2005
1922185151384437030310 ~2003
19222492571153349554311 ~2005
19223007411537840592911 ~2005
1922421503384484300710 ~2003
1922437943384487588710 ~2003
1922469071384493814310 ~2003
1922605103384521020710 ~2003
1922655863384531172710 ~2003
1922660111384532022310 ~2003
1922660963384532192710 ~2003
1922671403384534280710 ~2003
3710
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25-04-13