1311
This number is a composite.
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Interestingly, 1311 can be represented as 1311 = 23*57.
Note the presence of the first six primes, i.e., 2, 3, 5,
7, 11, and 13. [Gupta]
Submitted: 2025-11-20 03:26:28; Last Modified: 2025-11-20 04:35:36.
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