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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
17499983349999678 ~1988
17500139350002798 ~1988
17500391350007838 ~1988
17500823350016478 ~1988
17501591350031838 ~1988
17501843350036878 ~1988
175018794200450979 ~1990
17502403185525471910 ~1992
175027611050165679 ~1989
175033011050198079 ~1989
175045511750455119 ~1989
175046571050279439 ~1989
17504843350096878 ~1988
17504939350098798 ~1988
17505083350101678 ~1988
17505443350108878 ~1988
17505539350110798 ~1988
175057211050343279 ~1989
17505959350119198 ~1988
175061873151113679 ~1990
17506283350125678 ~1988
17506739350134798 ~1988
175067391400539139
17506943350138878 ~1988
175071411400571299 ~1989
Exponent Prime Factor Digits Year
175076571050459439 ~1989
17508371350167438 ~1988
17508479350169598 ~1988
175088712801419379 ~1990
175089171050535039 ~1989
17509571350191438 ~1988
17509631350192638 ~1988
17509703350194078 ~1988
17509799350195998 ~1988
17510063350201278 ~1988
17510411350208238 ~1988
175111131050666799 ~1989
175114094202738179 ~1990
17511743350234878 ~1988
17511803350236078 ~1988
175118811050712879 ~1989
17512151350243038 ~1988
17512403350248078 ~1988
175126332802021299 ~1990
175129739457005439 ~1991
17512991350259838 ~1988
175130571401044579 ~1989
17513291350265838 ~1988
17513819350276398 ~1988
17513843350276878 ~1988
Exponent Prime Factor Digits Year
17514083350281678 ~1988
17514239350284798 ~1988
17514251350285038 ~1988
17514323199663282310 ~1992
175143611050861679 ~1989
17514911350298238 ~1988
17514923350298478 ~1988
17515163350303278 ~1988
175151811050910879 ~1989
175153311401226499 ~1989
17515859350317198 ~1988
17516123350322478 ~1988
17516183350323678 ~1988
17516399350327998 ~1988
17516483350329678 ~1988
17516711350334238 ~1988
17516951350339038 ~1988
17517239350344798 ~1988
17517443350348878 ~1988
17519039350380798 ~1988
17519063350381278 ~1988
175190634554956399
17519471350389438 ~1988
17519483350389678 ~1988
17519543350390878 ~1988
Exponent Prime Factor Digits Year
175197975255939119 ~1990
17519891350397838 ~1988
175204971401639779 ~1989
17520623350412478 ~1988
17521079350421598 ~1988
17521499350429998 ~1988
17521799350435998 ~1988
17521943350438878 ~1988
175227172453180399 ~1990
175227891401823139 ~1989
17522891350457838 ~1988
17523371350467438 ~1988
175234211051405279 ~1989
17523479350469598 ~1988
175239011051434079 ~1989
17524043350480878 ~1988
17524103350482078 ~1988
17524571350491438 ~1988
17525243350504878 ~1988
175258211051549279 ~1989
17526083350521678 ~1988
175265591752655919 ~1989
175266971051601839 ~1989
17526791350535838 ~1988
175277932453891039 ~1990
1348
GIMPS The Prime Pages FactorDb.com
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25-07-08