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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
1912486931382497386310 ~2003
1912519799382503959910 ~2003
1912522751382504550310 ~2003
19127138411147628304711 ~2005
1912756091382551218310 ~2003
19128120171147687210311 ~2005
1912863119382572623910 ~2003
1912880999382576199910 ~2003
1912924943382584988710 ~2003
1912925471382585094310 ~2003
1912926371382585274310 ~2003
1912945211382589042310 ~2003
1912966271382593254310 ~2003
1912988123382597624710 ~2003
1913009951382601990310 ~2003
1913093711382618742310 ~2003
19131226331147873579911 ~2005
19131577211147894632711 ~2005
1913237219382647443910 ~2003
1913295971382659194310 ~2003
19133498711913349871111 ~2005
19134942771148096566311 ~2005
19134970211148098212711 ~2005
1913497031382699406310 ~2003
1913507279382701455910 ~2003
Exponent Prime Factor Digits Year
19135437175740631151111 ~2006
1913595023382719004710 ~2003
1913666459382733291910 ~2003
1913935979382787195910 ~2003
1913946803382789360710 ~2003
19140150731148409043911 ~2005
19140163731148409823911 ~2005
1914030743382806148710 ~2003
1914055679382811135910 ~2003
1914058799382811759910 ~2003
191421268110719591013712 ~2007
1914321599382864319910 ~2003
1914430223382886044710 ~2003
1914459611382891922310 ~2003
1914541703382908340710 ~2003
1914629291382925858310 ~2003
1914692771382938554310 ~2003
1914722123382944424710 ~2003
19147283171148836990311 ~2005
1914774443382954888710 ~2003
1914832571382966514310 ~2003
1914847019382969403910 ~2003
1914933479382986695910 ~2003
19149435311914943531111 ~2005
19149536811148972208711 ~2005
Exponent Prime Factor Digits Year
1915002359383000471910 ~2003
19150562591915056259111 ~2005
19151558211149093492711 ~2005
19151788971149107338311 ~2005
1915257923383051584710 ~2003
19153457171149207430311 ~2005
1915372163383074432710 ~2003
1915393691383078738310 ~2003
1915514651383102930310 ~2003
1915620599383124119910 ~2003
1915811351383162270310 ~2003
19158419511532673560911 ~2005
1915877819383175563910 ~2003
1915926011383185202310 ~2003
19159358034598245927311 ~2006
1916043683383208736710 ~2003
1916071379383214275910 ~2003
1916079551383215910310 ~2003
1916139191383227838310 ~2003
1916222279383244455910 ~2003
1916231183383246236710 ~2003
19162352411149741144711 ~2005
1916236499383247299910 ~2003
1916244611383248922310 ~2003
1916359979383271995910 ~2003
Exponent Prime Factor Digits Year
1916508371383301674310 ~2003
19165818611149949116711 ~2005
19166906691533352535311 ~2005
1916691323383338264710 ~2003
1916798063383359612710 ~2003
19168769471916876947111 ~2005
1916920823383384164710 ~2003
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
3738
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25-05-04