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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.
Exp. Prime Factor Digits Year
8415503168310078 ~1985
84157031346512499 ~1987
8415941673275298 ~1987
84161711346587379 ~1987
8416267841626718 ~1987
8416301504978078 ~1986
8416393504983598 ~1986
8416403168328078 ~1985
8416451168329038 ~1985
8416451673316098
8416511168330238 ~1985
8416621504997278 ~1986
8416817188536700910 ~1990
8417063168341278 ~1985
8417231168344638 ~1985
8417231673378498
8417681505060878 ~1986
8417711673416898 ~1987
8418013505080798 ~1986
8418359168367198 ~1985
8418779168375598 ~1985
8418803168376078 ~1985
8418863168377278 ~1985
8418913505134798 ~1986
84190692020576579 ~1988
Exp. Prime Factor Digits Year
8419121505147278 ~1986
8419181673534498 ~1987
8419783841978318 ~1987
8420183168403678 ~1985
8420317505219038 ~1986
8420393505223598 ~1986
8420519168410398 ~1985
8420519673641538
8420651168413038 ~1985
8420677505240638 ~1986
8420837505250238 ~1986
8420843168416878 ~1985
8420891673671298 ~1987
8421071168421438 ~1985
8421733114535568910 ~1990
8421737505304238 ~1986
8421773505306398 ~1986
8421779673742338 ~1987
8421821505309278 ~1986
84218272189675039 ~1988
8422019168440398 ~1985
84220392021289379 ~1988
8422181673774498 ~1987
8422763168455278 ~1985
8423117673849378 ~1987
Exp. Prime Factor Digits Year
8423231168464638 ~1985
8423321673865698 ~1987
8423333505399998 ~1986
8423797505427838 ~1986
8423903168478078 ~1985
8424077505444638 ~1986
84245931179443039 ~1987
8424599673967938 ~1987
8424817505489038 ~1986
8424869673989538 ~1987
8424973505498398 ~1986
84255531022862134311 ~1992
8425799168515998 ~1985
8425811168516238 ~1985
8425847674067778 ~1987
8426039168520798 ~1985
8426123168522478 ~1985
8426189674095138 ~1987
8426221505573278 ~1986
8426261505575678 ~1986
8426393505583598 ~1986
8426591168531838 ~1985
84266473370658819 ~1988
8426731842673118 ~1987
8427491168549838 ~1985
Exp. Prime Factor Digits Year
8427539168550798 ~1985
8427599168551998 ~1985
8427701505662078 ~1986
8427707674216578 ~1987
84278332696906579 ~1988
8428163168563278 ~1985
84281691179943679 ~1987
8428289674263138 ~1987
84283072022793699 ~1988
8428319674265538 ~1987
8428333505699998 ~1986
84284871517127679 ~1987
8428601505716078 ~1986
8428631168572638 ~1985
8428633505717998 ~1986
8429243168584878 ~1985
8429257505755438 ~1986
8429341505760478 ~1986
8429423168588478 ~1985
8429767842976718 ~1987
8430263168605278 ~1985
8430377505822638 ~1986
8430377674430178
8430473505828398 ~1986
8430479168609598 ~1985
940
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25-09-07