Q. 275.0( 3 Votes )

The number of distinct prime factors of the largest 4-digit number is
A. 2

B. 3

C. 5

D. 11

Answer :

Largest 4-digit number is 9999


9999 = 32× 11× 101


So distinct prime factors are 3, 11 and 101


Hence, answer = 3

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