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Old 2018-01-03, 21:38   #12
ixfd64
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M92,304,749 in April 2021.
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Old 2018-01-03, 21:56   #13
Prime95
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Another in my long string of pessimistic guesses:

158345273 February 2028
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Old 2018-01-03, 22:12   #14
Mark Rose
 
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Old 2018-01-03, 22:29   #15
Brian-E
 
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Additional prediction: this will not be discovered by humans or their machines but communicated to us, along with the higher Mersenne Primes M52 through M239, in addition to confirming our discoveries up to M50, by an alien intelligence visiting our planet at that time.
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Old 2018-01-03, 22:32   #16
ET_
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Quote:
Originally Posted by Brian-E View Post
258150181

August 2027

Additional prediction: this will not be discovered by humans or their machines but communicated to us, along with the higher Mersenne Primes M52 through M239, in addition to confirming our discoveries up to M50, by an alien intelligence visiting our planet at that time.
Would they be so devilishly malicious to preventus all that fun?
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Old 2018-01-03, 22:50   #17
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Quote:
Originally Posted by ET_ View Post
Would they be so devilishly malicious to preventus all that fun?
"Here are all the Mersenne primes from M51 to M239."

"Clearly this demonstrates our vast technological superiority. Resistance is futile."



:
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Old 2018-01-04, 02:01   #18
LaurV
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Not futile. Join the resistance!
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Old 2018-01-04, 03:47   #19
MooMoo2
 
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Quote:
Originally Posted by Brian-E View Post
258150181

August 2027

Additional prediction: this will not be discovered by humans or their machines but communicated to us, along with the higher Mersenne Primes M52 through M239
Would you trust them? They may be telling the truth about M52 through M60, and everything after that could be completely made up since they know that we can't test numbers such as 2^3321932161-1 within a reasonable time-frame.

edit: To expand on this topic, suppose a time machine were invented, and a person uses it to go back 50 years to 1968. The time machine is destroyed soon after, and people think he's crazy after he explains things like the Internet and smartphones to them. He then says that his civilization was able to discover M50. Would anyone believe his claim that 2^77,232,917-1 is prime?

Last fiddled with by MooMoo2 on 2018-01-04 at 03:54
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Old 2018-01-04, 06:06   #20
LaurV
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Would you/he remember all the exponents? How many of you are knowing all the exponents of the largest 25 known mersenne primes by heart? (those discovered after the '60s). Assuming he can tell them few of the smaller exponents, they will believe him, after checking. They knew how to check in the '60s, of course, and they also knew the "largest known" prime to be something like 2^11213-1 for which they made a stamp, if I remember right the history... Or maybe you already did that and your name is either Donald Gillies or Alexander Hurwitz... (this would explain why there are only two guys that discovered 5 primes in more than 10 years, with not interpose, hehe... )
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Old 2018-01-06, 16:51   #21
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Reduce, re-use, recycle.

92018681 on 10th May 2019 2020
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Old 2018-01-06, 19:18   #22
Damian
 
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Quote:
Originally Posted by GP2 View Post
"Here are all the Mersenne primes from M51 to M239."

"Clearly this demonstrates our vast technological superiority. Resistance is futile."



:
"Your cryptography technology makes us laugh. This is M239. And this is your president home banking password. Resistance is futile."
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