This number is a prime.

+ 3*7*19*23*29*31*41 - 2*5*11*13*17*37 = 337355573. The arithmetic axpression in the left side A-B = P, for P=337355573 uses all the primes from 2 to 41 and 337355573 is the largest prime integer with only odd prime digits. By Anton Vbra. [Rivera]

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