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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
21340811426816238 ~1988
213410571707284579 ~1990
213411913414590579 ~1990
21342239426844798 ~1988
21342311426846238 ~1988
213426411280558479 ~1989
21342851426857038 ~1988
21343163426863278 ~1988
21343331426866638 ~1988
213440771280644639 ~1989
21344243426884878 ~1988
213448313842069599 ~1991
21345371426907438 ~1988
21345431426908638 ~1988
21345539426910798 ~1988
21345959426919198 ~1988
21346343426926878 ~1988
213471111707768899 ~1990
213472331280833999 ~1989
21347363426947278 ~1988
21347603426952078 ~1988
213478971707831779 ~1990
21348443426968878 ~1988
21348539426970798 ~1988
21348731426974638 ~1988
Exponent Prime Factor Digits Year
21349043426980878 ~1988
21349571426991438 ~1988
21349859426997198 ~1988
21349871426997438 ~1988
21350111427002238 ~1988
21350159427003198 ~1988
21350363427007278 ~1988
21350999427019998 ~1988
21351131427022638 ~1988
21351503427030078 ~1988
21352559427051198 ~1988
213529211281175279 ~1989
21353459427069198 ~1988
21353639427072798 ~1988
21353879427077598 ~1988
213545771281274639 ~1989
213547971281287839 ~1989
21355151427103038 ~1988
21355199427103998 ~1988
213558011281348079 ~1989
21357779427155598 ~1988
21357923427158478 ~1988
21358439427168798 ~1988
21359183427183678 ~1988
21360263427205278 ~1988
Exponent Prime Factor Digits Year
213606498544259619 ~1991
21360659427213198 ~1988
21361079427221598 ~1988
21361271427225438 ~1988
21361283427225678 ~1988
21361391427227838 ~1988
21362219427244398 ~1988
213626411281758479 ~1989
213630072136300719 ~1990
21363059427261198 ~1988
21363311427266238 ~1988
21363599427271998 ~1988
21363659427273198 ~1988
213639771709118179 ~1990
213639891709119139 ~1990
213643512136435119 ~1990
21364643427292878 ~1988
21365303427306078 ~1988
21365411427308238 ~1988
213654971281929839 ~1989
213656095127746179 ~1991
213660411281962479 ~1989
21366179427323598 ~1988
21366239427324798 ~1988
21366539427330798 ~1988
Exponent Prime Factor Digits Year
21367331427346638 ~1988
213673931282043599 ~1989
213676311709410499 ~1990
21367763427355278 ~1988
21367919427358398 ~1988
21368003427360078 ~1988
21368471427369438 ~1988
213687613419001779 ~1990
21368999427379998 ~1988
21369371427387438 ~1988
21369503427390078 ~1988
213700331282201999 ~1989
21370451427409038 ~1988
213707713419323379 ~1990
21371891427437838 ~1988
213720672137206719 ~1990
21372503427450078 ~1988
21373397102592305710 ~1992
21373559427471198 ~1988
21373991427479838 ~1988
21374351427487038 ~1988
21374459427489198 ~1988
213750073847501279 ~1991
213751272137512719 ~1990
21376163427523278 ~1988
1482
GIMPS The Prime Pages FactorDb.com
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25-07-08