Prime factorization method to find H.C.F of two or more numbers

HIGHEST COMMON FACTORS (H.C.F) The highest common factor (H.C.F) of two or more numbers of the greatest or the largest among common factors.

Write any three numbers of two digit its. Find the LCM and HCF for the above numbers by the Prime Factorization method.

Find the H.C.F.of the following numbers using prime factorization method: 144,198 (ii) 81 ,117 (ii) 84,98

Find the H.C.F.of the following numbers using prime factorization method: 225,450 (ii) 170,238 (iii) 504,980

Find the L.C.M. and H.C.F of the following integers by the prime factorization method. (ii) 17, 23 and 29

Find the L.C.M. and H.C.F of the following integers by the prime factorization method. (i) 12, 15 and 21