Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- HCF of 8 and 3
- HCF of 4 and 12
- HCF of 2, 4 and 8
- HCF of 18 and 27
(a)
Factors of 8: 1, 2, 4, 8
Factors of 3: 1, 3
HCF of 8 and 3 =
1 (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 4: 1, 2, 4
Factors of 8: 1, 2, 4, 8
HCF of 2, 4 and 8 =
2 (d)
Factors of 18: 1, 2, 3, 6, 9, 18
Factors of 27: 1, 3, 9, 27
HCF of 18 and 27 =
9 Answer(s): 1, 4, 2, 9