Question

Find The GCF Of 4, 12, and 16 Using Continuous Division.
Find The GCF of 24, 32, and 40 Using Continuous Division.
Find The LCM of 14, 28, and 42 Using Continuous Division.

Answer 1

• 4,12 and 16.

4=2×2

12=2×2×3

16=2×2×2×2

The Greatest Common Factor is 4.

• 24, 32 and 40.

24= 2×2×2×3

32= 2×2×2×2×2

40= 2×2×2×5

The Greatest Common Factor is 8.

• 14, 28 and 42.

14= 2×7

28= 2×2×7

42= 2×3×7

LCM=2×2×3×7

= 84

The Least Common Multiple is 84.