Find the number of numbers which are less than 48 and co-prime to it .
(a) 16
(b) 12
(c) 18
(d) 10
(e) 14
48 = 2^4 × 3^1
So, the number of co primes = 48* (1-1/2)* (1-1/3)
= 16.
(a) 16
(b) 12
(c) 18
(d) 10
(e) 14
48 = 2^4 × 3^1
So, the number of co primes = 48* (1-1/2)* (1-1/3)
= 16.
What is the answer??
ReplyDelete48 = 2^4 × 3^1
Delete
So, the number of co primes = 48* (1-1/2)* (1-1/3)
= 16.