Which of the following pairs are twin primes?

A numbers which is a factor of every number is:

H.C.F of 36 and 144 is ____________

Find the least number which is exactly divisible by 32 and 48

(5X11)-(3X20)

LCM of two numbers is

Find the greatest number, which when divides 15 , 21 and 27, leaves the same remainder in each case.

Express as a product of powers of their prime factors: 9408 

Solve 14 + 8 – 2 × 3

Consider the following statement :

i. The product of two composite numbers remains same on changing their order.

ii. The product of a pair of co-primes is changed on changing their order.

6 is a composite number as it has ______________ factors.

L.C.M. of two co-prime numbers is their:

Solve 

Between which multiple of 10 does 3486 lie?

Consider the following statements.Which of the above statement (s) is /are correct?

(i) Every prime is odd.

(ii) Product of any two prime numbers is odd.

Number of pairs of twin prime numbers between 1 and 50 are ______________ 

The largest 4-digit even number and smallest 4-digit odd number are respectively ____________________