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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
173983971043903839 ~1989
173984531043907199 ~1989
17398679347973598 ~1988
173988531043931199 ~1989
17399939347998798 ~1988
173999397307974399
17400611348012238 ~1988
17400671348013438 ~1988
17400731348014638 ~1988
174007371044044239 ~1989
17401019348020398 ~1988
17401151348023038 ~1988
174014271392114179 ~1989
17401619348032398 ~1988
17402459348049198 ~1988
174027171044163039 ~1989
174027971044167839 ~1989
174030111392240899 ~1989
174033191740331919 ~1989
174033292436466079 ~1990
174041831740418319 ~1989
17404223348084478 ~1988
17404391348087838 ~1988
17404619348092398 ~1988
174046492436650879 ~1990
Exponent Prime Factor Digits Year
174051111392408899 ~1989
17405483348109678 ~1988
17405711348114238 ~1988
17406671348133438 ~1988
17406743348134878 ~1988
17407079348141598 ~1988
17407199348143998 ~1988
17407499348149998 ~1988
17407751348155038 ~1988
174081771392654179 ~1989
174083332437166639 ~1990
17408483348169678 ~1988
174085492437196879 ~1990
17408591348171838 ~1988
17408819348176398 ~1988
17408843348176878 ~1988
17408939348178798 ~1988
17409131348182638 ~1988
17409191348183838 ~1988
17409503348190078 ~1988
174095591740955919 ~1989
174096591392772739 ~1989
17409971348199438 ~1988
17410391348207838 ~1988
174105431741054319 ~1989
Exponent Prime Factor Digits Year
17411651348233038 ~1988
17411963348239278 ~1988
17412203348244078 ~1988
17412371348247438 ~1988
17412443348248878 ~1988
174129371044776239 ~1989
17412971348259438 ~1988
174131331044787999 ~1989
174131571044789439 ~1989
174131893830901599 ~1990
17413463348269278 ~1988
17413751348275038 ~1988
174143111741431119 ~1989
174144011044864079 ~1989
17415263348305278 ~1988
174154513134781199 ~1990
17415479348309598 ~1988
17415551348311038 ~1988
17416391348327838 ~1988
17416403348328078 ~1988
17416571348331438 ~1988
17416643348332878 ~1988
174170176966806819 ~1991
17417063348341278 ~1988
17417759348355198 ~1988
Exponent Prime Factor Digits Year
17418143348362878 ~1988
17418239348364798 ~1988
174182771045096639 ~1989
17418491348369838 ~1988
17418959348379198 ~1988
17419043348380878 ~1988
17419091348381838 ~1988
17419151348383038 ~1988
174191511393532099
174192291393538339 ~1989
17419379348387598 ~1988
17420423348408478 ~1988
17420519348410398 ~1988
17421263348425278 ~1988
17421671348433438 ~1988
174217071393736579 ~1989
17422103348442078 ~1988
174225671742256719 ~1989
17422871348457438 ~1988
174229693833053199 ~1990
17423051348461038 ~1988
174235615227068319 ~1990
174238731045432399 ~1989
17424611348492238 ~1988
174249171045495039 ~1989
1328
GIMPS The Prime Pages FactorDb.com
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25-05-04