Question

Find the common factors of 12,42 and 54.​

Answer 1

Answer:

Calculate Greatest Common Factor for :

12, 42 and 54

Factorize of the above numbers :

12 = 22 • 3

42 = 2 • 3 • 7

54 = 2 • 33

Build a prime factors table

Number of times each prime factor

appears in the factorization of :

Prime

Factor Number

12 Number

42 Number

54 G.C.F

(min)

2 2 1 1 1

3 1 1 3 1

7 0 1 0 0

GCF = 2 • 3

Greatest Common

Answer 2

Answer:

1, 2, 3, 6 are common factor