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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
491183998236797 ~1983
491209198241837 ~1983
4912207491220718 ~1985
4912247392979778 ~1985
49123431277209199 ~1986
4912459884242638 ~1986
4912553294753198 ~1984
491255998251197 ~1983
4912841393027298 ~1985
49129911277377679 ~1986
4913339393067138 ~1985
4913917786226738 ~1985
491393998278797 ~1983
491399998279997 ~1983
4914029687964078 ~1985
49142632063990479 ~1987
4914487491448718 ~1985
4914509688031278 ~1985
49145293833332639 ~1987
491455198291037 ~1983
4914661294879678 ~1984
491467198293437 ~1983
4914799884663838 ~1986
4914809393184738 ~1985
491491198298237 ~1983
Exp. Prime Factor Digits Year
4915153294909198 ~1984
4915271393221698 ~1985
491533198306637 ~1983
491545198309037 ~1983
4915621786499378 ~1985
4915637294938238 ~1984
4915847154357595910 ~1989
4915987491598718 ~1985
49160831179859939 ~1986
4916239491623918 ~1985
4916257294975438 ~1984
4916381393310498 ~1985
491642398328477 ~1983
4916441294986478 ~1984
4916467491646718 ~1985
4916581294994878 ~1984
49166331474989919 ~1986
491675998335197 ~1983
4916777295006638 ~1984
4916777688348798
4916831393346498 ~1985
4916993295019598 ~1984
491702398340477 ~1983
4917413183911246310 ~1989
4917511491751118 ~1985
Exp. Prime Factor Digits Year
49175333934026419 ~1987
4917721786835378 ~1985
4917901295074078 ~1984
49179891475396719 ~1986
491801998360397 ~1983
491807998361597 ~1983
4918091393447298 ~1985
491827198365437 ~1983
4918273295096398 ~1984
4918541295112478 ~1984
4918631393490498 ~1985
4918633295117998 ~1984
4918717295123038 ~1984
4918769393501538 ~1985
4918841295130478 ~1984
49191071180585699 ~1986
49191791967671619 ~1986
491933998386797 ~1983
491936398387277 ~1983
491947198389437 ~1983
4919671491967118 ~1985
4919773295186398 ~1984
4919813688773838 ~1985
491989198397837 ~1983
4919891393591298
Exp. Prime Factor Digits Year
4920163492016318 ~1985
4920493295229598 ~1984
492071998414397 ~1983
492091198418237 ~1983
4920967787354738 ~1985
4921073688950238 ~1985
49210732657379439
4921099492109918 ~1985
492113998422797 ~1983
4921493295289598 ~1984
4921577689020798 ~1985
4921613295296798 ~1984
4921841393747298 ~1985
4922053295323198 ~1984
4922179492217918 ~1985
492224398444877 ~1983
4922293295337598 ~1984
492253198450637 ~1983
492290398458077 ~1983
4923277295396638 ~1984
49232772658569599
4923283492328318 ~1985
492341998468397 ~1983
49234611870915199 ~1986
49234631181631139 ~1986
704
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26-05-10