13138...07533 (1000-digits)
This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).
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A titanic prime, 2^3319+4099245, that remains prime after each digit d is substituted with (10-d). [Rivera]
Submitted: 2020-06-15 00:03:15; Last Modified: 2020-06-15 00:06:14.
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