The GCF is 7.
GCF(14, 28, 21) = 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 1.
The GCF is 7.
The GCF is 1.
The GCF is 7.
The GCF is 7.
The GCF is 7.
The GCF is 7.
It is: 7
The GCF is 7.
The GCF is 7.