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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
10227689818215138 ~1987
10227779204555598 ~1986
10227913613674798 ~1987
10228151818252098 ~1987
10228313613698798 ~1987
10228511204570238 ~1986
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
Exponent Prime Factor Digits Year
10231981613918878 ~1987
10232219204644398 ~1986
10232533613951998 ~1987
10232951204659038 ~1986
10233241613994478 ~1987
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
Exponent Prime Factor Digits Year
10237063239547274310 ~1991
10237151204743038 ~1986
10237379204747598 ~1986
10237763204755278 ~1986
10238099204761998 ~1986
10238183204763678 ~1986
10238279204765598 ~1986
10238297614297838 ~1987
10238597614315838 ~1987
102386331433408639 ~1988
10238759204775198 ~1986
102389091433447279 ~1988
10238951204779038 ~1986
102389831023898319 ~1987
102389831638237299
102390235119511519 ~1989
10239143204782878 ~1986
10239241614354478 ~1987
102393771433512799 ~1988
10239401614364078 ~1987
10239479819158338 ~1987
10239781614386878 ~1987
10239851204797038 ~1986
10239923204798478 ~1986
10240127819210178 ~1987
Exponent Prime Factor Digits Year
10240319204806398 ~1986
10241183204823678 ~1986
10241849819347938 ~1987
10241927819354178 ~1987
10242101614526078 ~1987
102424871024248719 ~1987
10242553614553198 ~1987
10242983204859678 ~1986
10243357614601438 ~1987
10243463204869278 ~1986
10243559204871198 ~1986
10243703204874078 ~1986
10243703174142951110
10244231204884638 ~1986
10244471204889438 ~1986
102446231024462319 ~1987
10244831204896638 ~1986
10245023204900478 ~1986
10245077614704638 ~1987
102451971434327599 ~1988
10245239204904798 ~1986
10245299204905998 ~1986
10245311204906238 ~1986
10245491204909838 ~1986
10245533614731998 ~1987
1027
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25-05-04