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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
13302683266053678 ~1987
133028991064231939 ~1988
13303117798187038 ~1988
13303153798189198 ~1988
13303237798194238 ~1988
13303343266066878 ~1987
133034711330347119 ~1988
133035972128575539 ~1989
13303799266075998 ~1987
13303931266078638 ~1987
13304003266080078 ~1987
13304519266090398 ~1987
133049873459296639 ~1989
13305077798304638 ~1988
13305191266103838 ~1987
13305241798314478 ~1988
133053891862754479 ~1989
13306151266123038 ~1987
13306481798388878 ~1988
133065891862922479 ~1989
13306619266132398 ~1987
13306691266133838 ~1987
133069632129114099 ~1989
13307051266141038 ~1987
133071236653561519 ~1990
Exponent Prime Factor Digits Year
133078871330788719 ~1988
13307939266158798 ~1987
133079931863119039 ~1989
13308131266162638 ~1987
13308377798502638 ~1988
13308479266169598 ~1987
13308923266178478 ~1987
13308959266179198 ~1987
13309151266183038 ~1987
133092291064738339 ~1988
13309511266190238 ~1987
13309897798593838 ~1988
133099911064799299 ~1988
133099913460597679
13310471266209438 ~1987
13310543266210878 ~1987
13310603266212078 ~1987
13310879151744020710 ~1991
13311113199666695110 ~1991
133115091064920739 ~1988
133116711064933699 ~1988
13312151266243038 ~1987
133123072396215279 ~1989
13312451266249038 ~1987
13312811266256238 ~1987
Exponent Prime Factor Digits Year
13313033798781998 ~1988
13313039266260798 ~1987
133137432130198899 ~1989
13313843266276878 ~1987
133141212130259379 ~1989
13314131266282638 ~1987
133142712130283379 ~1989
13314437798866238 ~1988
13314503266290078 ~1987
133146171065169379 ~1988
13315223266304478 ~1987
13315271266305438 ~1987
13315361798921678 ~1988
13315559266311198 ~1987
133155673195736099 ~1989
13315661798939678 ~1988
133161591065292739 ~1988
13316399266327998 ~1987
13316497798989838 ~1988
13316783266335678 ~1987
13317041799022478 ~1988
133170472397068479 ~1989
13317371266347438 ~1987
133173791331737919 ~1988
13317719266354398 ~1987
Exponent Prime Factor Digits Year
13318043266360878 ~1987
13318321799099278 ~1988
13318379266367598 ~1987
13318441799106478 ~1988
133186491065491939 ~1988
13319017799141038 ~1988
13319063266381278 ~1987
13319303266386078 ~1987
13319363266387278 ~1987
133193634262196179
13319639266392798 ~1987
13320479266409598 ~1987
133204792397686239
13320557799233438 ~1988
13320683266413678 ~1987
133208293996248719 ~1990
13320971266419438 ~1987
133211112397799999 ~1989
13321181799270878 ~1988
13321313799278798 ~1988
13321331266426638 ~1987
133213971864995599 ~1989
13321559266431198 ~1987
133215891865022479 ~1989
13321751266435038 ~1987
1237
GIMPS The Prime Pages FactorDb.com
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26-03-08