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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
612931733677590399 ~1993
612938391225876799 ~1992
612941413677648479 ~1993
612947631225895279 ~1992
612953031225906079 ~1992
612958911225917839 ~1992
612973311225946639 ~1992
612981373677888239 ~1993
612995991225991999 ~1992
613001031226002079 ~1992
613018791226037599 ~1992
613022031226044079 ~1992
613030498582426879 ~1994
613034991226069999 ~1992
613041231226082479 ~1992
613059831226119679 ~1992
613064631226129279 ~1992
613070333678421999 ~1993
613079719809275379 ~1994
613080111226160239 ~1992
613080973678485839 ~1993
613085098583191279 ~1994
613086711226173439 ~1992
613103391226206799 ~1992
613109874904878979 ~1993
Exponent Prime Factor Digits Year
613111431226222879 ~1992
613111939809790899 ~1994
613112511226225039 ~1992
613118631226237279 ~1992
613126974905015779 ~1993
613137111226274239 ~1992
613144431226288879 ~1992
613162191226324399 ~1992
613173231226346479 ~1992
613179231226358479 ~1992
613187031226374079 ~1992
613197294905578339 ~1993
613217631226435279 ~1992
613240733679444399 ~1993
61324379147178509710 ~1994
613259631226519279 ~1992
613269133679614799 ~1993
613278591226557199 ~1992
61327967110390340710 ~1994
613291791226583599 ~1992
613309311226618639 ~1992
61331233147194959310 ~1994
613334274906674179 ~1993
613352716133527119 ~1994
61336307404819626310 ~1996
Exponent Prime Factor Digits Year
613384431226768879 ~1992
613410733680464399 ~1993
613413591226827199 ~1992
613423431226846879 ~1992
613433578588069999 ~1994
613434591226869199 ~1992
613445391226890799 ~1992
613474911226949839 ~1992
613476533680859199 ~1993
613487874907902979 ~1993
613489613680937679 ~1993
613507973681047839 ~1993
613518591227037199 ~1992
613522791227045599 ~1992
613522813681136879 ~1993
613524711227049439 ~1992
61353269147247845710 ~1994
613554711227109439 ~1992
613562214908497699 ~1993
613565391227130799 ~1992
613575591227151199 ~1992
613597191227194399 ~1992
613600311227200639 ~1992
613607031227214079 ~1992
613619391227238799 ~1992
Exponent Prime Factor Digits Year
613620231227240479 ~1992
613639431227278879 ~1992
613641173681847039 ~1993
613655391227310799 ~1992
613669191227338399 ~1992
61367651159555892710 ~1995
613677231227354479 ~1992
613703391227406799 ~1992
613704111227408239 ~1992
613712031227424079 ~1992
613731711227463439 ~1992
613734231227468479 ~1992
61373471159571024710 ~1995
613743591227487199 ~1992
613746231227492479 ~1992
613748991227497999 ~1992
613751031227502079 ~1992
613766333682597999 ~1993
613768311227536639 ~1992
613771191227542399 ~1992
613775533682653199 ~1993
613785111227570239 ~1992
613787991227575999 ~1992
613817631227635279 ~1992
613818111227636239 ~1992
2228
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25-08-20