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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
10197857611871438 ~1987
10197857815828578
101979171427708399 ~1988
10197959203959198 ~1986
10197989815839138 ~1987
10198033611881998 ~1987
10198043203960878 ~1986
10198061611883678 ~1987
10198151203963038 ~1986
10198213611892798 ~1987
10198403203968078 ~1986
10198823203976478 ~1986
10198931203978638 ~1986
10199411203988238 ~1986
10199593611975598 ~1987
10199639203992798 ~1986
10200173612010398 ~1987
10200479204009598 ~1986
10200563204011278 ~1986
10200611204012238 ~1986
10200611816048898
10200719204014398 ~1986
10200797612047838 ~1987
10200959204019198 ~1986
10201361122416332110 ~1990
Exponent Prime Factor Digits Year
10201403204028078 ~1986
10201463204029278 ~1986
10201931204038638 ~1986
10202063204041278 ~1986
10202279816182338 ~1987
10202453612147198 ~1987
10202603204052078 ~1986
10202651204053038 ~1986
10202831204056638 ~1986
10202831816226498
10202963204059278 ~1986
10203071204061438 ~1986
102032514285365439 ~1989
10203659204073198 ~1986
10203673612220398 ~1987
10203839204076798 ~1986
102038831020388319 ~1987
10203887816310978 ~1987
10204151204083038 ~1986
10204319204086398 ~1986
10204391204087838 ~1986
10204979204099598 ~1986
10205411204108238 ~1986
10205963204119278 ~1986
10206299204125998 ~1986
Exponent Prime Factor Digits Year
10206323204126478 ~1986
102064913266077139 ~1989
10206803204136078 ~1986
10207271204145438 ~1986
10207397612443838 ~1987
10207621612457278 ~1987
10207979204159598 ~1986
102083231020832319 ~1987
10208333612499998 ~1987
102085073015592967911 ~1993
10208873612532398 ~1987
10208963204179278 ~1986
10209037612542238 ~1987
10209119204182398 ~1986
10209233612553998 ~1987
102094391837699039 ~1988
102098037351058179 ~1990
10209863204197278 ~1986
10209971204199438 ~1986
10210103204202078 ~1986
10210283204205678 ~1986
10210691204213838 ~1986
10210841612650478 ~1987
10210859204217198 ~1986
10210883204217678 ~1986
Exponent Prime Factor Digits Year
10211039204220798 ~1986
10211129816890338 ~1987
10211171204223438 ~1986
10211699204233998 ~1986
10211783204235678 ~1986
10211819204236398 ~1986
10211833612709998 ~1987
102119471633911539 ~1988
10211953612717198 ~1987
102119597352610499 ~1990
10212131204242638 ~1986
10212491204249838 ~1986
10212617817009378 ~1987
10212659204253198 ~1986
10212791204255838 ~1986
10213097612785838 ~1987
10213361161371103910 ~1990
10213501612810078 ~1987
10213559204271198 ~1986
10213691204273838 ~1986
10213799204275998 ~1986
10214101612846078 ~1987
10214111204282238 ~1986
10214279204285598 ~1986
10214333612859998 ~1987
1022
GIMPS The Prime Pages FactorDb.com
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25-04-13