Greatest common factor
The question
GCF of 18 and 24
18:1236918
18:1236918
24:1234681224
18:1236918
24:1234681224
18:1236918
24:1234681224
GCF=6
- A factor is a number that divides in exactly. List every factor of 18.
- Now every factor of 24.
- Some appear in BOTH lists — 1, 2, 3, 6. Those are the common factors.
- The greatest of them is 6, so the GCF of 18 and 24 is 6.
How it works.
- 01
A factor is a number that divides in exactly. List every factor of 18.
- 02
Now every factor of 24.
- 03
Some appear in BOTH lists — 1, 2, 3, 6. Those are the common factors.
- 04
The greatest of them is 6, so the GCF of 18 and 24 is 6.