11111...77777 (25-digits)
(another
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' Curiosity)
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Prime Puzzio
Test Number
GIMPS
has discovered a new
largest known prime number
: 2
^{82589933}
-1 (24,862,048 digits)
11111 1111111117 7777777777
Seven 11's followed by eleven 7's is
prime
. Note that 7 and 11 are two consecutive
primes
. [
De Geest
]
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