Question

Find the HCF Of 35 45 28 70​

Answer 1

Answer:

factors of 35 = 5, 7

factors of 45 = 9, 5

• (i think there must've been a mistake, it should be 49 and not 45)

factors of 49 = 7, 9

factors of 28 = 7, 4

factors of 70 = 7, 5, 2

therefore, HCF of 35, 49, 28, 70 = 7