# 989466010702279111

This number is a prime.

98946601 0702279111

R_{19}-19! is the largest positive number of form R_{m}-m! that is prime. It is the only such emirp and case where m, R_{m}, and R_{m}-m! are all primes. [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

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