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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
550757631101515279 ~1991
55076033132182479310 ~1994
550761111101522239 ~1991
550761591101523199 ~1991
550772511101545039 ~1991
550780911101561839 ~1991
550788231101576479 ~1991
550793511101587039 ~1991
550813191101626399 ~1991
550818111101636239 ~1991
550827613304965679 ~1993
550830894406647139 ~1993
550842591101685199 ~1991
550845111101690239 ~1991
550849791101699599 ~1991
550851111101702239 ~1991
550853994406831939 ~1993
550873977712235599 ~1994
550883391101766799 ~1991
55089059176284988910 ~1994
550895631101791279 ~1991
550921791101843599 ~1991
550922031101844079 ~1991
550922514407380099 ~1993
550936074407488579 ~1993
Exponent Prime Factor Digits Year
550954494407635939 ~1993
550976391101952799 ~1991
550977413305864479 ~1993
550983711101967439 ~1991
550985511101971039 ~1991
550990213305941279 ~1993
550998831101997679 ~1991
550999311101998639 ~1991
551007111102014239 ~1991
551014013306084079 ~1993
551018031102036079 ~1991
551023311102046639 ~1991
551025111102050239 ~1991
551028915510289119 ~1993
551030391102060799 ~1991
551043231102086479 ~1991
551056791102113599 ~1991
551089733306538399 ~1993
551093031102186079 ~1991
551098191102196399 ~1991
551113791102227599 ~1991
551132511102265039 ~1991
551137013306822079 ~1993
551159391102318799 ~1991
551162031102324079 ~1991
Exponent Prime Factor Digits Year
551165631102331279 ~1991
551166831102333679 ~1991
55117327264563169710 ~1995
551183511102367039 ~1991
551186813307120879 ~1993
551189697716655679 ~1994
551212431102424879 ~1991
551238111102476239 ~1991
551260311102520639 ~1991
551262711102525439 ~1991
551263737717692239 ~1994
551273391102546799 ~1991
551281791102563599 ~1991
551291991102583999 ~1991
551299791102599599 ~1991
551302791102605599 ~1991
551304013307824079 ~1993
551315511102631039 ~1991
551316231102632479 ~1991
551330631102661279 ~1991
551337231102674479 ~1991
551366391102732799 ~1991
551413791102827599 ~1991
551427231102854479 ~1991
551430591102861199 ~1991
Exponent Prime Factor Digits Year
551432813308596879 ~1993
551438391102876799 ~1991
551455911102911839 ~1991
551472591102945199 ~1991
55147373165442119110 ~1994
551476791102953599 ~1991
551482515514825119 ~1993
551519511103039039 ~1991
551528031103056079 ~1991
551541733309250399 ~1993
551543814412350499 ~1993
551550533309303199 ~1993
551552511103105039 ~1991
55155433121341952710 ~1994
551563191103126399 ~1991
551564991103129999 ~1991
55156531264751348910 ~1995
551568591103137199 ~1991
551570991103141999 ~1991
551573631103147279 ~1991
551575614412604899 ~1993
551578911103157839 ~1991
551584133309504799 ~1993
551593431103186879 ~1991
551645031103290079 ~1991
2221
GIMPS The Prime Pages FactorDb.com
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25-11-17