5
The GCF is 40.
The GCF is 8.
You need at least two numbers to find a GCF. If that's 40 and 48, the GCF is 8.
15/40 = 3/8 by dividing the highest common factor of 15 and 40 which is 5
The greatest common factor of 15 and 40 is 5
5
The greatest common factor is 15
5 is the GCF of 15 and 40.
The GCF of 10, 15, and 40 is 5.
The GCF is 5.
If '15' and '40' have a common factor, then it's not. Hint: They have, and it's not.
The GCF is 5.