Question

Find the HCF of the numbers in each of the following, using the prime factorization method:
170, 238

Answer 1

The given numbers are 170 and 238.
We have:

170 = 2 × 5 × 17
238 = 2 × 7 × 17

∴ H.C.F. of the given numbers = 2 × 17 = 34