6
Chat with our AI personalities
6
The largest prime factor of 12 is 3. Prime factors of 12 are 2 x 2 x 3.
12
You need at least two numbers to find a GCF. There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share.
21 is the largest factor of 21