8 and 16
15 and 16
25 and 36
8 and 16
8 and 16
24, 25 and 26
25 and 32
8 and 16, among others.
Composite. All whole numbers ending in zero are composite.
Yes as for example 34 and 45
4 and 24, 12 and 16
The greatest factor that two or more numbers have in common is known as the greatest common factor, or GCF.
There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.