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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
21829211436584238 ~1988
218292792182927919 ~1990
218293313929279599 ~1991
21829583436591678 ~1988
218296571309779439 ~1989
218298171746385379 ~1990
218299331309795999 ~1989
21830051436601038 ~1988
21830279436605598 ~1988
21830843436616878 ~1988
21830951436619038 ~1988
21831539436630798 ~1988
218315837422738239 ~1991
218316173056426399 ~1990
218317873493085939 ~1990
218319131309914799 ~1989
21832103436642078 ~1988
21832823436656478 ~1988
21833291436665838 ~1988
21833711436674238 ~1988
21833891436677838 ~1988
21834083436681678 ~1988
21834353209609788910 ~1992
21834623436692478 ~1988
21834671436693438 ~1988
Exponent Prime Factor Digits Year
21834899436697998 ~1988
218350973056913599 ~1990
21835559436711198 ~1988
21835831196522479110 ~1992
218362032183620319 ~1990
21836651436733038 ~1988
218379291747034339 ~1990
21837983436759678 ~1988
21838451436769038 ~1988
21838763436775278 ~1988
21839099436781998 ~1988
21839123436782478 ~1988
218393712183937119 ~1990
21839459436789198 ~1988
218395611747164899 ~1990
21839563139773203310 ~1992
218396519172653439 ~1992
21839963436799278 ~1988
21840491436809838 ~1988
21840551436811038 ~1988
21840829244617284910 ~1993
21841217117942571910 ~1992
21841331436826638 ~1988
21841619436832398 ~1988
21841691436833838 ~1988
Exponent Prime Factor Digits Year
218418171310509039 ~1989
21842699436853998 ~1988
21842963436859278 ~1988
21843383436867678 ~1988
21843803436876078 ~1988
21844019436880398 ~1988
21844139436882798 ~1988
21844919436898398 ~1988
218452371747618979 ~1990
218453091747624739 ~1990
21845711436914238 ~1988
21846131436922638 ~1988
21846299436925998 ~1988
21846899436937998 ~1988
218470392184703919 ~1990
21847571436951438 ~1988
21848483436969678 ~1988
21848639436972798 ~1988
21848903436978078 ~1988
21849083436981678 ~1988
21849599436991998 ~1988
218498571747988579 ~1990
21849923436998478 ~1988
21850043437000878 ~1988
21850343437006878 ~1988
Exponent Prime Factor Digits Year
21851003437020078 ~1988
21851051437021038 ~1988
218517891748143139 ~1990
218520793933374239 ~1991
21852683437053678 ~1988
21852851437057038 ~1988
21852899437057998 ~1988
21853043437060878 ~1988
21853103437062078 ~1988
21853343437066878 ~1988
218534871748278979 ~1990
21854471437089438 ~1988
21854543437090878 ~1988
218545611748364899 ~1990
21854699437093998 ~1988
21854711437094238 ~1988
21855143437102878 ~1988
21855503437110078 ~1988
21855923437118478 ~1988
21855959437119198 ~1988
218572331311433999 ~1989
21857519437150398 ~1988
21857579437151598 ~1988
21857663437153278 ~1988
218578731311472399 ~1989
1426
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24-10-27