Explain why 7 X 11 x 13 + 13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 + 5 are composite number

Explain why 7 X 11 x 13 + 13 and 7 x 6 x 5 x 4 x 3 x 2 x 1 + 5 are composite number Related Videos Express each number as a product of its prime factors: (i) 140 (ii) 156 (iii) 3825 (iv) 5005 (v) 7429 Find the LCM and HCF of the following pairs of integers and verify the LCM X HCF = Product of two numbers: (i) 26 and 91 Find the LCM and HCF of the following pairs of integers and verify the LCM X HCF = Product of two numbers: (ii) 510 and 92 Find the LCM and HCF of the following pairs of integers and verify the LCM X HCF = Product of two numbers: (iii) 336 and 54 Find the LCM and HCF of 12, 15 and 21 by applying prime factorization method Find the LCM and HCF of 17, 23 and 29 by applying prime factorization method Find the LCM and HCF of 8, 9, 25 by prime factorization method Given that the HCF (306, 657) = 9, find LCM (306, 657) Check Whether 6^n can end with the digit 0 for any natural number n There is a circular path around sports field. Sonia takes 18 minutes to drive one round of the field while Ravi takes 12 minutes for the same. Suppose they both start at the same point and at the same time and go in same direction. After how many minutes