Question

Find the maximum value of n such that 42 × 57 × 92 × 91 × 52 × 62 × 63 × 64 × 65 × 66 × 67 is perfectly divisible by 42n. (a) 4 (b) 3 (c) 5 (d) 6

Answer 1

answer in the form of message of telephonic conversation between John and David

Answer 2

Answer:

3

Step-by-step explanation:

divisors of 42 is 3 and 7

Number of times a 7 is present in equation is 3

Number of times a 3 present in equation is more than 3

so we should consider only minimum values.so that answer is 3