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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
4514291361143298 ~1984
451442390288477 ~1983
4514431451443118 ~1985
4514443451444318 ~1985
45144731354341919 ~1986
4514501270870078 ~1984
4514507361160578 ~1984
4514701270882078 ~1984
451475990295197 ~1983
4514927361194178 ~1984
4515011361200898 ~1984
4515041270902478 ~1984
4515101270906078 ~1984
4515191361215298 ~1984
4515317270919038 ~1984
451532390306477 ~1983
45153593341365679 ~1987
451541990308397 ~1983
451555190311037 ~1983
4515689361255138 ~1984
4515689632196478
45156894606002799
4515857632219998 ~1985
4516219451621918 ~1985
451628390325677 ~1983
Exp. Prime Factor Digits Year
4516327812938878 ~1985
4516453270987198 ~1984
451664390332877 ~1983
4516873722699698 ~1985
4516913632367838 ~1985
451693190338637 ~1983
4516973271018398 ~1984
4517113271026798 ~1984
4517353722776498 ~1985
4517411361392898 ~1984
451760390352077 ~1983
4517657271059438 ~1984
4517731451773118 ~1985
451775990355197 ~1983
4517833271069998 ~1984
4517987361438978 ~1984
451802390360477 ~1983
4518121722899378 ~1985
4518313271098798 ~1984
451844390368877 ~1983
4518517271111038 ~1984
451853990370797 ~1983
45185811717060799 ~1986
4518601100312942310 ~1988
451862390372477 ~1983
Exp. Prime Factor Digits Year
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
4520909361672738 ~1984
4521061271263678 ~1984
4521241271274478 ~1984
4521359361708738 ~1984
Exp. Prime Factor Digits Year
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
45243131085835139 ~1986
4524521361961698 ~1984
452509190501837 ~1983
4525117271507038 ~1984
639
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25-05-04