The HCF of 4 and 90 is 2.
hcf(324, 512) = 4 324 = 2² x 3⁴ 512 = 2⁹ hcf = 2² = 4
12 = 2 x 2 x 3 16 = 2 x 2 x 2 x 2 HCF=2 x 2 = 4 HCF = 4
It is 2
2
It is 2
It is 2
The GCF is 2.
The GCF is 2.
factors of 8: 1, 2, 4, 8 factors of 18: 1, 2, 3, 6, 9, 18 HCF: 2
The GCF is 2.
The GCF is 2.