Question

Find the LCM of the number by division of 21 63 and 105

Answer 1

Answer:

LCM(21,63,105)

Least Common Multiple is :

315

Calculate Least Common Multiple for :

21, 63 and 105

Factorize of the above numbers :

21 = 3 • 7

63 = 32 • 7

105 = 3 • 5 • 7

Build a prime factors table

Number of times each prime factor

appears in the factorization of :

Prime

Factor Number

21 Number

63 Number

105 L.C.M

(max)

3 1 2 1 2

5 0 0 1 1

7 1 1 1 1

LCM = 32 • 5 • 7

Least Common Multiple is :

315

Answer 2

Answer:

315 is the LCM of the number by division of 21 63 and 105

Step-by-step explanation: