The GCF of 55 and 100 is 5.The GCF is 5.
55 and 15's highest common factor is five.
The GCF is 5.
The GCF is 5.
The GCF is 5.
5
The GCF is 5.
5. Quick way to see this: 15=3*5. 55 is divisible by 5 but not 3, so the GCF is 5. More info at the links.
The GCF is 5.
The "g" in gcf stands for "greatest". The word greatest is a superlative adjective and that means that there can only be one GCF. So it makes no sense to ask what "are" the GCF.GCF(15, 100) = 5.
The LCM is: 825The GCF is: 5