4
It is 1 but the HCF is 3
The GCF is 21.
hcf(10, 21) = 1 ⇒ 10 & 21 relatively prime hcf(12, 54) = 6 ⇒ 12 & 54 not relatively prime hcf(15, 27) = 3 ⇒ 15 & 27 not relatively prime hcf(21, 38) = 1 ⇒ 21 & 38 relatively prime
The GCF is 24.
The GCF is 3.
The GCF is 7.
The HCF is 7.
It is 21
3.
The GCF is 21.
The GCF is 7.
The GCF is 7.