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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
258525763620461831310 ~1999
258526109206820887310 ~1998
2585266435170532879 ~1997
258534253155120551910 ~1998
2585483573257709298311 ~2001
2585531995171063999 ~1997
2585593195171186399 ~1997
2585681515171363039 ~1997
2585691595171383199 ~1997
2585793115171586239 ~1997
258580247206864197710 ~1998
2585840035171680079 ~1997
258584057155150434310 ~1998
258589129620613909710 ~1999
2585894035171788079 ~1997
258594277155156566310 ~1998
258599017155159410310 ~1998
2586022195172044399 ~1997
258612131206889704910 ~1998
2586187195172374399 ~1997
2586237595172475199 ~1997
2586311515172623039 ~1997
258636809362091532710 ~1999
258657067258657067110 ~1998
2586591835173183679 ~1997
Exponent Prime Factor Digits Year
2586687595173375199 ~1997
2586711835173423679 ~1997
2586736315173472639 ~1997
258676931206941544910 ~1998
2586886795173773599 ~1997
2586908635173817279 ~1997
258690917206952733710 ~1998
258691493362168090310 ~1999
258706061206964848910 ~1998
2587071595174143199 ~1997
2587076395174152799 ~1997
2587134595174269199 ~1997
2587139635174279279 ~1997
258714637155228782310 ~1998
258717973155230783910 ~1998
2587196035174392079 ~1997
258723811258723811110 ~1998
2587246631086643584711 ~2000
2587264915174529839 ~1997
258728441155237064710 ~1998
2587290835174581679 ~1997
2587346995174693999 ~1997
2587398235174796479 ~1997
2587504915175009839 ~1997
2587505395175010799 ~1997
Exponent Prime Factor Digits Year
2587519915175039839 ~1997
2587576435175152879 ~1997
2587640035175280079 ~1997
258773231207018584910 ~1998
258785537155271322310 ~1998
2587858435175716879 ~1997
2587878715175757439 ~1997
2587914715175829439 ~1997
2587968011811577607111 ~2000
2587992595175985199 ~1997
2588012395176024799 ~1997
2588139595176279199 ~1997
258818587465873456710 ~1999
2588209315176418639 ~1997
2588223835176447679 ~1997
258823787207059029710 ~1998
258823813155294287910 ~1998
2588316595176633199 ~1997
2588587091656695737711 ~2000
258863291207090632910 ~1998
258863401155318040710 ~1998
258866921207093536910 ~1998
2588685235177370479 ~1997
2588729635177459279 ~1997
258876613155325967910 ~1998
Exponent Prime Factor Digits Year
2588780515177561039 ~1997
258879979258879979110 ~1998
258891313155334787910 ~1998
258896567466013820710 ~1999
2589019435178038879 ~1997
2589090115178180239 ~1997
2589187435178374879 ~1997
2589314515178629039 ~1997
258932537155359522310 ~1998
2589357115178714239 ~1997
2589367195178734399 ~1997
2589514032900255713711 ~2001
2589607315179214639 ~1997
2589620515179241039 ~1997
2589627715179255439 ~1997
2589650395179300799 ~1997
2589668635179337279 ~1997
258970757207176605710 ~1998
2589761035179522079 ~1997
258979093155387455910 ~1998
2589811091812867763111 ~2001
2589825235179650479 ~1997
258998713414397940910 ~1999
259005179828816572910 ~2000
259023211259023211110 ~1998
3166
GIMPS The Prime Pages FactorDb.com
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26-02-08