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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
30433691608673838 ~1989
30433751608675038 ~1989
30434231608684638 ~1989
30434639608692798 ~1989
30434843608696878 ~1989
30435299608705998 ~1989
304353131826118799 ~1991
30435683608713678 ~1989
30435731608714638 ~1989
30436643608732878 ~1989
30436811608736238 ~1989
30437219608744398 ~1989
30437783608755678 ~1989
30438599608771998 ~1989
30438659608773198 ~1989
304399331826395999 ~1991
30440639608812798 ~1989
30441419608828398 ~1989
304415275479474879 ~1992
30441539608830798 ~1989
30441863608837278 ~1989
30442091608841838 ~1989
30442103608842078 ~1989
30442211608844238 ~1989
304425371826552239 ~1991
Exponent Prime Factor Digits Year
30442859608857198 ~1989
304429275479726879 ~1992
30442943608858878 ~1989
30443123608862478 ~1989
30443411608868238 ~1989
30444083608881678 ~1989
30444131608882638 ~1989
30444779608895598 ~1989
304449073044490719 ~1991
304454211826725279 ~1991
30445451608909038 ~1989
304462873044628719 ~1991
30446519608930398 ~1989
30448031608960638 ~1989
30448403608968078 ~1989
30448703608974078 ~1989
304489811826938879 ~1991
30449591608991838 ~1989
30449759608995198 ~1989
30450341292323273710 ~1994
30450503609010078 ~1989
304506971827041839 ~1991
30450743609014878 ~1989
30451163609023278 ~1989
30451559609031198 ~1989
Exponent Prime Factor Digits Year
30452111609042238 ~1989
304523931827143599 ~1991
30452399609047998 ~1989
30452531609050638 ~1989
30452651609053038 ~1989
30453011609060238 ~1989
30453743609074878 ~1989
30454439609088798 ~1989
304545971827275839 ~1991
30455063609101278 ~1989
30455123609102478 ~1989
30455291609105838 ~1989
30455471609109438 ~1989
30456311609126238 ~1989
30456323609126478 ~1989
304564972436519779 ~1991
30456683609133678 ~1989
30456719609134398 ~1989
30456983609139678 ~1989
30457079609141598 ~1989
30457103609142078 ~1989
304572496700594799 ~1992
30457499609149998 ~1989
30457811609156238 ~1989
30457943609158878 ~1989
Exponent Prime Factor Digits Year
30458231609164638 ~1989
30458699609173998 ~1989
30459419609188398 ~1989
304594211827565279 ~1991
304595714873531379 ~1992
30460151609203038 ~1989
30460271609205438 ~1989
30460799609215998 ~1989
30461219609224398 ~1989
30461309146214283310 ~1993
30461857121847428110 ~1993
30461939609238798 ~1989
30462059609241198 ~1989
304625692437005539 ~1991
304628571827771439 ~1991
30462983609259678 ~1989
30463319609266398 ~1989
30464411609288238 ~1989
304645492437163939 ~1991
30464963609299278 ~1989
30465119609302398 ~1989
30465251609305038 ~1989
30465563609311278 ~1989
304660312437282499 ~1991
304669677921411439 ~1992
1760
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25-07-08