2524190
This number is a composite.
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25241902097152 + 1 is currently the largest known non-Mersenne prime, as of September 2026. It has
13426224 digits, and is also the largest known near-square prime number (of the form n^2+1). [Tolgede]
Submitted: 2026-09-23 08:16:44; Last Modified: 2026-09-23 16:30:09.
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