Question

determine the H.C.F of the given numbers using prime factorisation method. 1.) 63 and 42 note- please do Lcm of this two digit separately​

Answer 1

Step-by-step explanation:

LCM of 42 and 63 is the smallest number among all common multiples of 42 and 63. The first few multiples of 42 and 63 are (42, 84, 126, 168, 210, 252, . . . ) and (63, 126, 189, 252, 315, . . . ) respectively. There are 3 commonly used methods to find LCM of 42 and 63 - by prime factorization, by listing multiples, and by division method.