62605...42221 (64-digits)
(another
Prime Pages
' 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)
6260 5857565554 5251504948 4645444240 3938363534 3332302827 2625242221
The concatenation in reverse
order of
all the
composite numbers
62 through 21 is
prime
, as well as the concatenation of the end numbers, i.e., 6221 is
prime
. [
Loungrides
]
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