337355573

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]