9977770001777

This number is a prime.

                                                              997 7770001777

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Giovanni Resta found that 9977770001777 is the largest prime less than 10^13 that remains prime if any digit is deleted (zeros allowed). [Rivera]

Submitted: 2020-07-20 23:02:22;   Last Modified: 2020-07-20 23:28:52.
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