Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- HCF of 8 and 4
- HCF of 4 and 12
- HCF of 2, 6 and 8
- HCF of 30 and 38
(a)
Factors of 8: 1, 2, 4, 8
Factors of 4: 1, 2, 4
HCF of 8 and 4 =
4 (b)
Factors of 4: 1, 2, 4
Factors of 12: 1, 2, 3, 4, 6, 12
HCF of 4 and 12 =
4 (c)
Factors of 2: 1, 2
Factors of 6: 1, 2, 3, 6
Factors of 8: 1, 2, 4, 8
HCF of 2, 6 and 8 =
2 (d)
Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
Factors of 38: 1, 2, 19, 38
HCF of 30 and 38 =
2 Answer(s): 4, 4, 2, 2