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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
15215771304315438 ~1987
152159871217278979 ~1989
15216059304321198 ~1987
152166012434656179 ~1989
15217337913040238 ~1988
15217523304350478 ~1987
15217913913074798 ~1988
15217991304359838 ~1987
15218123304362478 ~1987
152183271217466179 ~1989
152184612434953779 ~1989
15218531304370638 ~1987
15218771304375438 ~1987
15218857913131438 ~1988
15219059304381198 ~1987
152199291217594339 ~1989
15219937118715508710 ~1991
152206972130897599 ~1989
15220883304417678 ~1987
15221039304420798 ~1987
15221711304434238 ~1987
15222197913331838 ~1988
152222574566677119 ~1990
15222433913345998 ~1988
152227191217817539 ~1989
Exponent Prime Factor Digits Year
152235471217883779 ~1989
152239732131356239 ~1989
15224003304480078 ~1987
15224017913441038 ~1988
15224123304482478 ~1987
15224351304487038 ~1987
15224771304495438 ~1987
152248636089945219 ~1990
152249177003461839 ~1990
15225239304504798 ~1987
152256534567695919 ~1990
15226019304520398 ~1987
15226091304521838 ~1987
15226283304525678 ~1987
152264692131705679 ~1989
15226553913593198 ~1988
15227039304540798 ~1987
15227279304545598 ~1987
152273392740921039 ~1989
15227423304548478 ~1987
15227621913657278 ~1988
15227819304556398 ~1987
152278791218230339 ~1989
15227951304559038 ~1987
152282112436513779 ~1989
Exponent Prime Factor Digits Year
15228743304574878 ~1987
15228971304579438 ~1987
152293434873389779 ~1990
15229751304595038 ~1987
15229859304597198 ~1987
152300231523002319 ~1989
15230543304610878 ~1987
15231563304631278 ~1987
15231731304634638 ~1987
15231739173641824710 ~1991
152318036397357279 ~1990
15231857913911438 ~1988
152321591523215919 ~1989
152322113960374879 ~1990
15233063304661278 ~1987
15233243304664878 ~1987
15233641914018478 ~1988
152341011218728099 ~1989
15234203304684078 ~1987
152342871218742979 ~1989
15234311304686238 ~1987
15234473914068398 ~1988
15234503304690078 ~1987
15234959304699198 ~1987
15235079304701598 ~1987
Exponent Prime Factor Digits Year
15235439304708798 ~1987
15236357914181438 ~1988
15236723304734478 ~1987
15236999304739998 ~1987
15237191304743838 ~1987
15237539304750798 ~1987
15238271304765438 ~1987
15238319304766398 ~1987
15238997914339838 ~1988
15239459304789198 ~1987
15239963304799278 ~1987
15240613914436798 ~1988
15240779304815598 ~1987
152412671524126719 ~1989
15241679304833598 ~1987
15242291304845838 ~1987
152423091219384739 ~1989
15242459304849198 ~1987
15242543304850878 ~1987
15242891304857838 ~1987
15243083304861678 ~1987
15243131304862638 ~1987
152431311219450499
15243311304866238 ~1987
15243359304867198 ~1987
1241
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25-04-13