GCF of 21 and 42: 21
GCF of 16 and 25: 1
The GCF is 2.
Yes. The greatest common factor of 16 and 42 must be a factor of 16. The only rule is that the GCF has to be equal to or less than the lower number. Since 16 is not the GCF of 16 and 42, the GCF has to be lower than 16.
The GCF is of 21, 42, and 84 is 21.
The GCF is 3.
The GCF is 7.
The GCF of 21 and 42 is 21. The GCF of 17 and 27 is 1.
The GCF is 21.
The GCF is 2.
yes... 16 is not a factor of 42 GCF is 2
Since 16 is not a factor of 42, the GCF in this case has to be less than 16.
The GCF is 2.
The GCF is 2.
It can be and is.
The LCM is: 42
It is 42
The GCF of 16, 24, and 42 is 2.
It is 42