Find the gcf of 40a+16

To find the greatest common factor (GCF) of 40a+16, we need to factor out all common factors of the terms. In this case, we can first factor out 8:

40a = 8 * 5a
16 = 8 * 2

Now, we can write 40a+16 as:

40a+16 = 8*5a + 8*2 = 8(5a+2)

Therefore, the GCF of 40a+16 is 8.