It would only have one rung, since the only common prime factor of 10 and 15 is 5.
5)10,15
The GCF of 10 and 15 is 5.
15 5,3 10 5,2 The GCF is 5.
5 |10,15, |_________2,3The GCF of 10 and 15 is 5.
5
LCM 2 x 2 x 8 x 15 =480 GCF 8 x 15 = 120
155,3105,2The GCF is 5.The GCF of 10 and 15 is 5.
10 over 15 10/15= 2/5
15 3,5 60 30,2 15,2,2 5,3,2,2 3 x 5 = 15, the GCF
The GCF of 15 and 90 is 15.
Since 15 is a factor of 60, it is automatically the GCF.
The GCF is 15.
The GCF is 15.