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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
35876411717528238 ~1990
35876471717529438 ~1990
358764972152589839 ~1991
358765972870127779 ~1991
35876891717537838 ~1990
35877983717559678 ~1990
358783732152702399 ~1991
35879111717582238 ~1990
35879219717584398 ~1990
35879303717586078 ~1990
35879339717586798 ~1990
35879939717598798 ~1990
35880431717608638 ~1990
35880899717617998 ~1990
35881739717634798 ~1990
35882111717642238 ~1990
35883203717664078 ~1990
35883299717665998 ~1990
35883539717670798 ~1990
35885051717701038 ~1990
35885159717703198 ~1990
358854295023960079 ~1992
35885831717716638 ~1990
35886479717729598 ~1990
35886743717734878 ~1990
Exponent Prime Factor Digits Year
35887031717740638 ~1990
358870372870962979 ~1991
358871412153228479 ~1991
35887823717756478 ~1990
358879192871033539 ~1991
358887292842387336911 ~1996
35889323717786478 ~1990
35890691717813838 ~1990
358907172153443039 ~1991
35890919717818398 ~1990
35890979717819598 ~1990
35891783717835678 ~1990
35892071717841438 ~1990
358924972871399779 ~1991
35893211717864238 ~1990
358937212871497699 ~1991
35894231717884638 ~1990
35895539717910798 ~1990
35896079717921598 ~1990
35896319717926398 ~1990
358967897897293599 ~1993
35897063717941278 ~1990
35897111717942238 ~1990
35897423717948478 ~1990
35897831717956638 ~1990
Exponent Prime Factor Digits Year
358978332153869999 ~1991
358986132153916799 ~1991
35898671717973438 ~1990
358993972871951779 ~1991
35899499717989998 ~1990
35899679717993598 ~1990
35900003718000078 ~1990
359002033590020319 ~1992
35900603718012078 ~1990
35901011718020238 ~1990
35901023718020478 ~1990
35901191718023838 ~1990
359014072872112579 ~1991
35901779718035598 ~1990
35901791718035838 ~1990
35901923718038478 ~1990
35902403718048078 ~1990
359026792872214339 ~1991
35902943718058878 ~1990
359032212154193279 ~1991
35903639718072798 ~1990
35904779718095598 ~1990
35904839718096798 ~1990
35904899718097998 ~1990
35904923718098478 ~1990
Exponent Prime Factor Digits Year
35905211718104238 ~1990
35905511718110238 ~1990
35905931718118638 ~1990
35906411718128238 ~1990
35906639718132798 ~1990
35907491718149838 ~1990
35907803718156078 ~1990
35907983718159678 ~1990
35908091718161838 ~1990
35908283718165678 ~1990
35908391718167838 ~1990
35908643718172878 ~1990
359089972154539839 ~1991
359090392872723139 ~1991
35909519718190398 ~1990
35909651718193038 ~1990
35911079718221598 ~1990
359111532154669199 ~1991
35911163718223278 ~1990
35911391718227838 ~1990
35912003718240078 ~1990
35912543718250878 ~1990
35912951718259038 ~1990
35912963718259278 ~1990
35913263718265278 ~1990
2000
GIMPS The Prime Pages FactorDb.com
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26-04-05