They are: 1 2 3 6 9 and 18
Those two numbers could be 18 and 36.
18 and any factor of 18.
Use a factor tree. 18 9,2 3,3,2
They can be: 18, 36 and 54
You need at least two numbers to find a GCF.The greatest factor of 18 is itself
the highest common factor of the numbers 12, 16 and 18 is 2.
The greatest common factor of the numbers 18, 30 and 72 is 6.
18. All numbers' highest factor is the number itself.
The greatest common factor of the numbers 18 and 360 is 18. The least common multiple of the numbers 18 and 360 is 360.
There are several possibilities of pairs of numbers whose greatest common factor is 18. 54 and 198 18 and 126 414 and 846 72 and 1422
18 and 36, among others.
18 and 36, among others.