There is one question: Prove that 33 ! is divisible by 2^15. What is the largest integer n such that 33! is divisible by 2n?
Vageesh Hegde
CA Foundation
★ 0
14-Jul-24 07:28
196
Answers (2)
Is that n is 31?
Bala Chandar
CA Inter
★ 5K+
14-Jul-24 08:14
In terms of prime factors 33! can be written as 2^a ⋅ 3^b 5^c ⋅ 7^d …
(33!)=33/2+33/2^2+33/2^3+33/2^4+33/2^5
=16+8+4+2+1=31
Hence, the exponent of 2 in 33! is 31.
∴ Largest value of n is 31.