The GCF of 10 and 15 is 5.
The GCF is 3.
The GCF is 1.
15 5,3 10 5,2 The GCF is 5.
It would only have one rung, since the only common prime factor of 12, 16 and 26 is 2. 2)12,16,26
division ladder for 12,16,28 and the gcf of all them
The GCF of 10 and 15 is 5.
The GCF is 3.
The GCF is 1.
The GCF of 18 and 57 is 3.
In order to have a 'common' factor - you need to have something to compare it to !
15 5,3 10 5,2 The GCF is 5.
5
Don't bother. Since 25 is a factor of 75, it is automatically the GCF.
The GCF of 27 and 30 is 3.
5 |10,15, |_________2,3The GCF of 10 and 15 is 5.
either list factors, do factor trees, or division ladder