The GCF is 1.
GCF(14, 28, 21) = 7
hcf = 4 and lcm = 420
The GCF is 7.
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 7.
The GCF is 1.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 1.
The GCF is 2.