The GCF is 1.
The GCF is 1.
1, 3, 5, 15 1, 23 The GCF is 1.
The GCF is 1.
Since 23 is a prime, the GCF is 1.
The factors of 15 are: 1, 3, 5, 15The factors of 23 are: 1, 23
The GCF is 1.
The GCF is: 27
The GCF is 23.
The GCF is 23.
The GCF would be 1.
The GCF is 23.
The GCF of 15 and 90 is 15.