The GCF of 3591 and 84 is 21
The GCF is 7.
The GCF is 21.
The GCF is 21.
The GCF is 21.
The GCF is 7.
The GCF of 21 and 84 is 21, since it is a factor of 84. The LCM of 21 and 84 is 84, since it is a multiple of 21.
The GCF of 35, 49, and 91 is 7.
The GCF is 3.
The GCF is 21.
The GCF is 7.
The GCF is 1.