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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
27167771543355438 ~1989
271677714890198799
271678011630068079 ~1990
27167951543359038 ~1989
271679571630077439 ~1990
27168419543368398 ~1989
27168671543373438 ~1989
271688571630131439 ~1990
27168863543377278 ~1989
27168923543378478 ~1989
27169091543381838 ~1989
27169379543387598 ~1989
27170243543404878 ~1989
27170639543412798 ~1989
27172583543451678 ~1989
27172643543452878 ~1989
27173339543466798 ~1989
27173519543470398 ~1989
27173579543471598 ~1989
27173831543476638 ~1989
27173963543479278 ~1989
27174071543481438 ~1989
27174599543491998 ~1989
27175451543509038 ~1989
27175619543512398 ~1989
Exponent Prime Factor Digits Year
27176843543536878 ~1989
27177119543542398 ~1989
27177599543551998 ~1989
27177803543556078 ~1989
27177911543558238 ~1989
271780612174244899 ~1991
27178523543570478 ~1989
27178799543575998 ~1989
27179459543589198 ~1989
27179759543595198 ~1989
27179879543597598 ~1989
27179903543598078 ~1989
27180371543607438 ~1989
27180479114158011910 ~1992
27181139543622798 ~1989
27181499543629998 ~1989
271818974349103539 ~1991
27181991543639838 ~1989
271819931630919599 ~1990
27182783543655678 ~1989
27183239543664798 ~1989
27184331543686638 ~1989
271843371631060239 ~1990
271846792174774339 ~1991
271848792718487919 ~1991
Exponent Prime Factor Digits Year
271852314893341599 ~1991
271853774349660339 ~1991
27185423543708478 ~1989
27185579543711598 ~1989
27185591543711838 ~1989
27186371543727438 ~1989
27186479543729598 ~1989
27187091543741838 ~1989
27187973146815054310 ~1993
271880411631282479 ~1990
271892936525430339 ~1992
27189479543789598 ~1989
271895771631374639 ~1990
27190283543805678 ~1989
27191039543820798 ~1989
27191063543821278 ~1989
27191579543831598 ~1989
27192023543840478 ~1989
27192563543851278 ~1989
271925895982369599 ~1992
271927512719275119 ~1991
27192839543856798 ~1989
27193583543871678 ~1989
27193703543874078 ~1989
27193763543875278 ~1989
Exponent Prime Factor Digits Year
27194231543884638 ~1989
271951674895130079 ~1991
27195923543918478 ~1989
27196139543922798 ~1989
271961931631771599 ~1990
27196283543925678 ~1989
27196943543938878 ~1989
271975578159267119 ~1992
27197699543953998 ~1989
27197837299176207110 ~1993
27198179543963598 ~1989
27198551543971038 ~1989
27198599543971998 ~1989
271986978159609119 ~1992
27199163543983278 ~1989
27199223543984478 ~1989
27200111544002238 ~1989
27200339544006798 ~1989
272020331632121999 ~1990
27202943544058878 ~1989
27203171544063438 ~1989
272032011632192079 ~1990
27203243544064878 ~1989
27204011544080238 ~1989
272041731632250399 ~1990
1704
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25-11-17