Question

Find the highest common factor of 225 and 540.

Answer 1

Answer:

45 is the answer for the given problem

Answer 2

Answer:

45

Step-by-step explanation:

To find highest common factor of 225 and 540

First we have to find Highest common factor of 225 by prime factorization

3/ 225

3 /75

5 /25

5 /5

we get - 225 = 3×3×5×5

Now we have to find highest common factor of 540 by prime factorization

2/ 540

2/270

3/135

3/45

3/15

5/5

we get - 540 = 2×2×3×3×3×5

Now,

225 = 3×3×5×5

540= 2×2×3×3×3×5

Then we pick up common no. = 3×3×5 = 45