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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.
Exp. Prime Factor Digits Year
451853990370797 ~1983
45185811717060799 ~1986
4518601100312942310 ~1988
451862390372477 ~1983
4518691722990578 ~1985
451874390374877 ~1983
4518887361510978 ~1984
45189072892100499 ~1987
4519121271147278 ~1984
4519421271165278 ~1984
45194231084661539 ~1986
45194412169331699 ~1986
4519519451951918 ~1985
451964390392877 ~1983
45196572169435379 ~1986
451981190396237 ~1983
45198773887094239 ~1987
451997990399597 ~1983
452000390400077 ~1983
4520273632838238 ~1985
4520497271229838 ~1984
452053190410637 ~1983
4520647452064718 ~1985
4520729632902078 ~1985
4520743452074318 ~1985
Exp. Prime Factor Digits Year
4520909361672738 ~1984
4521061271263678 ~1984
4521241271274478 ~1984
4521359361708738 ~1984
4521599361727938 ~1984
45216311899085039 ~1986
452207990441597 ~1983
4522213271332798 ~1984
4522241361779298 ~1984
452240390448077 ~1983
452249990449997 ~1983
4522853271371198 ~1984
4522949361835938 ~1984
4522963452296318 ~1985
452353190470637 ~1983
4523593271415598 ~1984
4523633271417998 ~1984
4523791814282398 ~1985
452395190479037 ~1983
4523969633355678 ~1985
452399990479997 ~1983
45239991085759779
4524209361936738 ~1984
4524209633389278
45242871085828899 ~1986
Exp. Prime Factor Digits Year
45243131085835139 ~1986
4524521361961698 ~1984
452509190501837 ~1983
4525117271507038 ~1984
452515190503037 ~1983
4525201271512078 ~1984
4525229362018338 ~1984
4525229633532078
452525990505197 ~1983
45253338326612739 ~1988
45253371086080899 ~1986
452552390510477 ~1983
4525901362072098 ~1984
4525987724157938 ~1985
452599190519837 ~1983
4525991362079298
4526083724173298 ~1985
452611190522237 ~1983
4526189362095138 ~1984
452624390524877 ~1983
452666390533277 ~1983
452677190535437 ~1983
452683190536637 ~1983
45268871086452899 ~1986
45268875160651199
Exp. Prime Factor Digits Year
4526983724317298 ~1985
4527043452704318 ~1985
45272231086533539 ~1986
4527311362184898 ~1984
4527331814919598 ~1985
4527379814928238 ~1985
4527521362201698 ~1984
452762390552477 ~1983
4527637271658238 ~1984
45278213531700399 ~1987
4527911362232898 ~1984
4528021543362520110 ~1990
452815190563037 ~1983
4528243452824318 ~1985
4528399452839918 ~1985
452867990573597 ~1983
452870390574077 ~1983
45287213260679139 ~1987
4528757362300578 ~1984
4528913271734798 ~1984
4529081271744878 ~1984
45292514348080979 ~1987
452927990585597 ~1983
452941190588237 ~1983
4529419815295438 ~1985
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25-06-01