Question

lcm of two numbers is 5775 . which of the following cannot be their hcf​

Answer 1

"455" cannot be HCF of that two numners.

Step-by-step explanation:

Given,

LCM of two numbers = 5775

∵ LCM of two any numbers must be divisible by HCF of that two numbers.

Now, 5775 is divisible by 175, 231 and 305.

But, it is not divisible by 455.

∴ 455 cannot be HCF of that two numners.

Hence, 455 cannot be HCF of that two numners.