Question

Find the factor 28 and 80.​

Answer 1

Answer:

4

Step-by-step explanation:

28= 2×2 ×7

80= 2×2 × 2×2×5

Clearly the factor of 28 and 80 is 4.

Answer 2

Answer:

The HCF of 28 and 80 is 4

Step-by-step explanation:

1. Find the prime factorization of 28

28 = 2 × 2 × 7

2. Find the prime factorization of 80

80 = 2 × 2 × 2 × 2 × 5

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 2 × 2

∴GCF = 4