The GCF is 1.
GCF(14, 28, 21) = 7
The GCF is 7.
hcf = 4 and lcm = 420
GCF(28, 21) = 7 Steps: Prime factorization of the numbers: 28 = 2 × 2 × 7 21 = 3 × 7 GCF(28, 21) = 7
The GCF is 7.
The GCF is 1.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 1.
The GCF is 2.