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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
2804239673017378 ~1984
2804437673064898 ~1984
280459156091837 ~1981
280469956093997 ~1981
2804807224384578 ~1983
280483156096637 ~1981
280489156097837 ~1981
2805113168306798 ~1983
280525156105037 ~1981
280537156107437 ~1981
280544356108877 ~1981
2805497224439778 ~1983
2805529673326978 ~1984
2805619280561918 ~1983
2806007224480578 ~1983
280603156120637 ~1981
280621156124237 ~1981
280643956128797 ~1981
2806711280671118 ~1983
2806787505221678 ~1984
2806907673657698 ~1984
2807087505275678 ~1984
280711156142237 ~1981
2807141224571298 ~1983
2807177393004798 ~1983
Exp. Prime Factor Digits Year
2807323280732318 ~1983
280753156150637 ~1981
2807593168455598 ~1983
2807927224634178 ~1983
2808061168483678 ~1983
2808269393157678 ~1983
2808347224667778 ~1983
280835956167197 ~1981
2808433168505998 ~1983
2808521168511278 ~1983
2808583449373298 ~1984
2808593898749778 ~1984
2808977393256798 ~1983
2808977674154498
2809007224720578 ~1983
280909156181837 ~1981
2809091224727298
2809187674204898 ~1984
2809349393308878 ~1983
280945156189037 ~1981
2809507280950718 ~1983
2809553674292738 ~1984
280964356192877 ~1981
2809973168598398 ~1983
281005156201037 ~1981
Exp. Prime Factor Digits Year
2810077449612338 ~1984
2810161168609678 ~1983
2810191449630578 ~1984
2810359674486178 ~1984
2810371281037118 ~1983
281039956207997 ~1981
281057956211597 ~1981
2810617674548098 ~1984
2810657168639438 ~1983
281066356213277 ~1981
281071156214237 ~1981
281113156222637 ~1981
2811163674679138 ~1984
2811169843350718 ~1984
2811181168670878 ~1983
281129956225997 ~1981
281131156226237 ~1981
2811337168680238 ~1983
2811353168681198 ~1983
28114072080441199 ~1985
2811509224920738 ~1983
2811533168691998 ~1983
2811533393614638
2811583281158318 ~1983
2811761224940898 ~1983
Exp. Prime Factor Digits Year
2811833168709998 ~1983
281186356237277 ~1981
2811883449901298 ~1984
281198356239677 ~1981
2812169224973538 ~1983
2812219281221918 ~1983
281222356244477 ~1981
2812297168737838 ~1983
2812307731199838 ~1984
2812331224986498 ~1983
281234356246877 ~1981
281261956252397 ~1981
2812639281263918 ~1983
2812801618816238 ~1984
2812811225024898 ~1983
2812813168768798 ~1983
2812897168773838 ~1983
2812937843881118 ~1984
281303956260797 ~1981
281317156263437 ~1981
281318356263677 ~1981
28132575570248879 ~1986
2813353168801198 ~1983
2813411506413998 ~1984
2813563450170098 ~1984
483
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25-09-07