8677
This number is a prime.
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The largest 4-digit prime whose sum of the two leftmost digits is equal to the sum of the two rightmost digits, i.e., (8 + 6 = 7 + 7). [Loungrides]
Submitted: 2013-09-15 12:43:59; Last Modified: 2026-07-09 12:43:04.
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