46891111

This number is a prime.

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The smallest prime formed from the first n first digits of the composites, i.e., {4, 6, 8, 9, 1, 1, 1, 1, ... }. Here, n = 8. Note that n = 9 is prime also. Can you find the next? [Gaydos]

Submitted: 2018-10-16 16:21:06;   Last Modified: 2018-10-16 16:21:54.
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