In parts of the United States, there is a 5/47+1/19 lottery called Hot Lotto, where you must pick 5 numbers out of 47, and 1 number out of 19. Therefore, the number of possible combinations is equal to 47C5 × 19 = 29144841.

Its prime factorization is 3 × 11 × 19 × 23 × 43 × 47.

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