Question

1) The prime factorisation of smallest 4 digit number (a) 2⁴x 5² (b) 2³ x 5³ (c) 2²x3x5² (d) 2³x3³x5³ ​

Answer 1

Answer:

Number of distinct prime factors of the largest 4 digit number. Therefore, the total number of distinct prime factors of 9999 is 3 (i.e. 3, 11 and 101