Question

30. In how many ways 320 can be written as a
product of two co-prime factors?
(a) 2
(b) 6
(c) 1
(d) 5​

Answer 1

Answer:

320 = 2×2×2×2×2×2×5

a is right

Answer 2

Answer:

2

Step-by-step explanation:

2*2*2*2*2*2*5

2 and 5 are prime factors

formula: 2∧n-1

2 power of n-1

n=2 prime factors here

then answer is 2