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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.
Exp. Prime Factor Digits Year
6255343625534318 ~1986
62556071126009279 ~1986
6255797500463778 ~1986
6255803125116078 ~1984
6255913375354798 ~1985
6255989500479138 ~1986
6256031125120638 ~1984
6256093375365598 ~1985
6256127500490178 ~1986
6256169500493538 ~1986
6256223125124478 ~1984
6256297375377838 ~1985
6256333375379998 ~1985
6256351625635118 ~1986
62563811376403839 ~1987
6256469500517538 ~1986
6256511125130238 ~1984
6256541500523298 ~1986
6256693375401598 ~1985
6256751125135038 ~1984
6256753375405198 ~1985
6256981375418878 ~1985
62571612878294079 ~1987
6257171125143438 ~1984
6257249500579938 ~1986
Exp. Prime Factor Digits Year
62573871501772899 ~1987
62574293003565939 ~1987
62574311001188979 ~1986
6257519125150398 ~1984
6257579125151598 ~1984
6257711125154238 ~1984
6257831125156638 ~1984
6257879125157598 ~1984
6257903125158078 ~1984
6258029500642338 ~1986
6258299125165998 ~1984
6258443125168878 ~1984
62585411376879039 ~1987
62585471126538479 ~1986
6258557500684578 ~1986
6258677375520638 ~1985
6258677500694178
6258803125176078 ~1984
6258881375532878 ~1985
6258971125179438 ~1984
6259199125183998 ~1984
6259219625921918 ~1986
6259237375554238 ~1985
6259727500778178 ~1986
6259733375583998 ~1985
Exp. Prime Factor Digits Year
6259741375584478 ~1985
6259763125195278 ~1984
6259871125197438 ~1984
6260129500810338 ~1986
6260183125203678 ~1984
6260231125204638 ~1984
6260381500830498 ~1986
6260411500832898 ~1986
6260483125209678 ~1984
6260951125219038 ~1984
6260983626098318 ~1986
6261077876550798 ~1986
6261119125222398 ~1984
6261191125223838 ~1984
6261371125227438 ~1984
6261373375682398 ~1985
62615391502769379 ~1987
6261571626157118 ~1986
6261779125235598 ~1984
6262301375738078 ~1985
6262513375750798 ~1985
62629012004128339 ~1987
6263171125263438 ~1984
6263339501067138 ~1986
6263399125267998 ~1984
Exp. Prime Factor Digits Year
6263591125271838 ~1984
6263683120262713710 ~1989
6263849501107938 ~1986
6263963125279278 ~1984
6264179125283598 ~1984
6264311125286238 ~1984
6264437501154978 ~1986
6264439626443918 ~1986
6264499626449918 ~1986
62649131002386099 ~1986
62649314510750339 ~1988
6265019125300398 ~1984
6265139125302798 ~1984
62651531002424499 ~1986
6265439125308798 ~1984
6265507626550718 ~1986
6265531626553118 ~1986
6265657375939438 ~1985
6265681179198476710 ~1989
6265901375954078 ~1985
6265997877239598 ~1986
6266011626601118 ~1986
62662791503906979 ~1987
6266483125329678 ~1984
6266497375989838 ~1985
807
GIMPS The Prime Pages FactorDb.com
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26-03-08