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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
14797631295952638 ~1987
147976494735247699 ~1990
14797933887875998 ~1988
14798099295961998 ~1987
14798639295972798 ~1987
14798711295974238 ~1987
14799017887941038 ~1988
14799173887950398 ~1988
147995272663914879 ~1989
14800343296006878 ~1987
148006191184049539 ~1988
14800763296015278 ~1987
14800811296016238 ~1987
14801197888071838 ~1988
14801603296032078 ~1987
14801879296037598 ~1987
14802251296045038 ~1987
148022877105097779 ~1990
14802899296057998 ~1987
148029111184232899 ~1988
14803619296072398 ~1987
148037997401899519 ~1990
14804291296085838 ~1987
148044292072620079 ~1989
148045393553089379 ~1990
Exponent Prime Factor Digits Year
14804843296096878 ~1987
148048911184391299 ~1988
148050171184401379 ~1988
14805443296108878 ~1987
14805671296113438 ~1987
14805743296114878 ~1987
14806019296120398 ~1987
148060971184487779 ~1988
14806223296124478 ~1987
14806523296130478 ~1987
14807543296150878 ~1987
14807641888458478 ~1988
14807981888478878 ~1988
148085091184680739 ~1988
14808551296171038 ~1987
14808779296175598 ~1987
14809073888544398 ~1988
14809163296183278 ~1987
148093491184747939 ~1988
14809451296189038 ~1987
148095139478088339 ~1991
148098771184790179 ~1988
14809913106631373710 ~1991
14810093106632669710 ~1991
14810423296208478 ~1987
Exponent Prime Factor Digits Year
14810483296209678 ~1987
14810531296210638 ~1987
14810951296219038 ~1987
14811143296222878 ~1987
14811299296225998 ~1987
14811323296226478 ~1987
148113892073594479 ~1989
14811781888706878 ~1988
14812163296243278 ~1987
148122711184981699 ~1988
14812601888756078 ~1988
14812883296257678 ~1987
148131591185052739 ~1988
14813411296268238 ~1987
14814479296289598 ~1987
14814557888873438 ~1988
14815019296300398 ~1987
14815261103706827110 ~1991
14815403296308078 ~1987
148154413259397039 ~1990
14815511296310238 ~1987
14816111296322238 ~1987
14816423296328478 ~1987
14816603296332078 ~1987
148167431481674319 ~1989
Exponent Prime Factor Digits Year
14816831296336638 ~1987
14817839296356798 ~1987
14817983296359678 ~1987
14818103296362078 ~1987
14818151296363038 ~1987
14819039296380798 ~1987
14819543296390878 ~1987
14819641889178478 ~1988
14819963296399278 ~1987
14820433889225998 ~1988
14820781889246878 ~1988
14820791296415838 ~1987
148209071482090719 ~1989
148210991482109919 ~1989
14821343296426878 ~1987
148217211185737699 ~1988
148221791482217919 ~1989
14822183296443678 ~1987
14822891296457838 ~1987
148237336818917199 ~1990
14823839296476798 ~1987
14823911296478238 ~1987
14824333889459998 ~1988
14824343296486878 ~1987
14824451296489038 ~1987
1238
GIMPS The Prime Pages FactorDb.com
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25-06-08