27032...91313 (42-digits)

This number is a composite.

                              27 0329975921 2052536347 0705182284 8570391313

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Smarandache-Radu triplets; integers n such that there are no primes between the smaller and larger of S(n) and S(n+1): 224, 2057, 265225, ... . The largest known Smarandache-Radu triplet is 270,329,975,921,205,253,634,707,051,822,848,570,391,313. Here S(n) is the Smarandache Function, i.e., the smallest integer such that S(n)! is divisible by n. [Weisstein]