This number is a prime.

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+ The larger of only two primes (emirps) less than a googol of the form Rm+m!, i.e., for m=8, 11111111+8! = 11151431. The smallest prime (emirp) is 13, for m=2, i.e., 13 = R2+m! = 11+2!. [Loungrides]

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