67
(just those submitted by Green)
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Prime Puzzio
Test Number
GIMPS
has discovered a new
largest known prime number
: 2
^{82589933}
-1 (24,862,048 digits)
Just showing those entries submitted by 'Green': (Click
here to show all
)
John Pilkins ©2003
Any digit n, 1 through 9, times 67 yields a 3-digit number (for the purpose of this discussion make 1*67 = 067), then the concatenation of the first and last digits of the product equals n times 7. E.g., 8*67 = 536 and 8*7 = 56. [
Green
]
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