516172271

This number is a prime.

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If you concatenate the prime index of 516172271 to its reversal (95516172.27161559), the prime is a substring of the resulting number. Are there larger examples like this? [Gaydos]

Submitted: 2020-07-19 10:42:15;   Last Modified: 2020-07-19 10:46:34.
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