Property 2 If a number is divisible by each of two or more co-prime numbers then it is divisible by their products.

(iv) The L.C.M.of two or more co-prime numbers is equal to their product.

Property 1 If a number is divisible by another number then it is divisible by each of the factors of that number.If abc are three natural numbers such that a is divisible by b and b is divisible by c then a is divisible by c also.

HCF of two co-prime numbers is:

LCM of two or more numbers is divisible by their HCF.

The LCM of two co-prime numbers is their .

Study the given statements carefully. State T for true and 'F' for false and select the correct option. (i) If a number is a factor of each of the given two numbers, then it must be factor of their a difference. (ii) If a number is divisible by another number, then it must be divisible by each of the factors of that number. (iii) If a number is divisible by another number, then it is also divisible by all the multiples of that number. (iv)No prime number other than 2 is even but every odd number is necessarily a prime number.

A number is divisible by 6 if it is divisible by

A number is divisible by 12. By what other numbers will that number be divisible?

A number is divisible by 24. By what other numbers will that number be divisible?

If the sum of the digits of a number is divisible by 3, then the number itself is divisible by 9.