Question

find the h.c.f of 42 and 75​

Answer 1

Answer:

Step-by-step explanation:

The factors of 42 are 42, 21, 14, 7, 6, 3, 2, 1.

The factors of 75 are 75, 25, 15, 5, 3, 1.

The common factors of 42 and 75 are 3, 1, intersecting the two sets above.

In the intersection factors of 42 ∩ factors of 75 the greatest element is 3.

Therefore, the greatest common factor of 42 and 75 is 3.

Answer 2

Answer:

3

Step-by-step explanation:

factors of 42=2×3×7

factors of 75=3×5×5

common factors=3

HCF is 3