1303
This number is a prime.
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The smallest of three prime factors of the sphenic number 3474749660383 (the smallest composite number to be a strong probable prime to base 2, 3, 5, 7, 11 and 13).
Submitted: 2004-07-09 13:02:09; Last Modified: 2020-07-20 00:01:11.
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