565
(another
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Prime Puzzio
Test Number
GIMPS
has discovered a new
largest known prime number
: 2
^{82589933}
-1 (24,862,048 digits)
565 is the least
palindrome
n such that 10*n+1, 10*n+3, 10*n+7, 10*n+9 are all
primes
. [
Das
]
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