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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
10219277817542178 ~1987
10219379817550338 ~1987
102195911021959119 ~1987
10219597613175838 ~1987
10219753613185198 ~1987
10219883204397678 ~1986
10220053613203198 ~1987
10220101613206078 ~1987
10220159204403198 ~1986
10220351204407038 ~1986
10220471204409438 ~1986
10221461613287678 ~1987
10221863204437278 ~1986
10221901613314078 ~1987
10222379204447598 ~1986
10223093613385598 ~1987
10223177613390638 ~1987
10223231204464638 ~1986
10223413613404798 ~1987
10223771204475438 ~1986
10223777613426638 ~1987
10223861613431678 ~1987
102239032453736739 ~1988
102240774907556979 ~1989
10224143204482878 ~1986
Exponent Prime Factor Digits Year
10224493613469598 ~1987
10224551204491038 ~1986
10224563204491278 ~1986
10224941613496478 ~1987
10224971204499438 ~1986
10225057613503438 ~1987
10225561613533678 ~1987
10225673613540398 ~1987
10226003204520078 ~1986
10226519204530398 ~1986
10226521613591278 ~1987
10226663204533278 ~1986
10226831204536638 ~1986
102269711022697119 ~1987
10227071204541438 ~1986
10227323204546478 ~1986
10227601613656078 ~1987
102276191022761919 ~1987
10227641613658478 ~1987
10227689818215138 ~1987
10227779204555598 ~1986
10227913613674798 ~1987
10228151818252098 ~1987
10228313613698798 ~1987
10228511204570238 ~1986
Exponent Prime Factor Digits Year
102286334705171199 ~1989
10228637613718238 ~1987
102287236546382739 ~1989
102287411636598579 ~1988
102288613068658319 ~1989
10228877818310178 ~1987
10228931204578638 ~1986
102289631022896319 ~1987
10229111204582238 ~1986
10229171204583438 ~1986
10229363204587278 ~1986
10229423204588478 ~1986
10229909818392738 ~1987
10230119204602398 ~1986
102306791841522239 ~1988
10230743204614878 ~1986
10231037613862238 ~1987
10231163204623278 ~1986
10231439204628798 ~1986
10231901818552098 ~1987
10231981613918878 ~1987
10232219204644398 ~1986
10232533613951998 ~1987
10232951204659038 ~1986
10233241613994478 ~1987
Exponent Prime Factor Digits Year
10233737614024238 ~1987
10234073614044398 ~1987
10234079204681598 ~1986
10234079818726338
10234181614050878 ~1987
10234417614065038 ~1987
10234421818753698 ~1987
10234583204691678 ~1986
10234691818775298 ~1987
102347391842253039 ~1988
10235453614127198 ~1987
10235531204710638 ~1986
102355672456536099 ~1988
10235723204714478 ~1986
10236113614166798 ~1987
10236419204728398 ~1986
10236683204733678 ~1986
102366971637871539 ~1988
10236841614210478 ~1987
10236893614213598 ~1987
10237063239547274310 ~1991
10237151204743038 ~1986
10237379204747598 ~1986
10237763204755278 ~1986
10238099204761998 ~1986
1037
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25-07-08