The expression that represents the greatest common factor (gcf) of 105 and 126 is 3 x 7 but the greatest common factor of them is 21
The GCF is 21.
Well, honey, the greatest common factor (GCF) of 84, 105, and 126 is 21. It's like finding the biggest piece of cake you can share among those three numbers without anyone throwing a fit. So, grab a fork and enjoy that GCF goodness!
I don't know what expressions you have to choose from, but the GCF of those numbers is 22.
The GCF is 105.
The GCF is 105.
The GCF is 21.
21
The GCF is 21.
The GCF is 21.
The GCF is 21.
The GCF is 21.
21. 105 = 3 x 5 x 7 126 = 2 x 32 x 7 hcf = 3 x 7 = 21
The GCF of 27, 106, and 126 is 3.
The GCF is 35.
The GCF is 8.
The GCF is 8.
The GCF is 126.