The number of distinct prime factors of the largest 4-digit number is

Dear Student

The largest 4–digit number is = 9999
Prime factors of 9999 = 3 × 3 × 11 × 101
9999 = 3^2× 11 × 101
Therefore, distinct prime factors are = 3, 11 and 101
Number of distinct prime factors of the largest 4-digit number is = 3

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