The factors of 28 are: 1, 2, 4, 7, 14, 28
The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42
The factors of 63 are: 1, 3, 7, 9, 21, 63
The common factors are: 1, 7
GCF(28, 42, 63) = 7.
the answer is 7. i know because all three of them have 7 as a factor. and 7 is the highest factor that all three of them have
qsxcvbnm,l;p (That is a smiley face on a keyboard)
What is the gfc of 28 42 and 63
28
The GCF of 28, 42 and 63 is 7.The GCF is 7.
The GCF is 7.
The GCF is 21.
The GCF is 7.
The GCF is 7.
The GCF is 21.
GCF(42, 63, 84) = 21.
The GCF is 21.
7 is the gcf of 28 35 and 42
The GCF is 7.
The GCF is 2.
The GCF is 7.