The GCF is 3.
The multiples of 9 are 9, 18, 27, 36, 45 and so on. The multiples of 15 are 15, 30, 45, 60, 75 and so on. The GCF of 9 and 15 is 3.
The GCF is 9.
The GCF of 9 and 36 is 9, since 36 is divided evenly by 9.Since 9 is a factor of 36, it is automatically the GCF.The GCF is 9.
The GCF is 1.
The GCF is 9.
The GCF is 3.
The GCF is 9.
The GCF is 9.
The GCF is 9.
Since 9 is a factor of 36, it is automatically the GCF.
You need at least two numbers. 18 and 36 among others.