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To get the Greates Common Factor (GCF) of 3156 and 4395 we need to factor each value first and then we choose all the copies of factors and multiply them:
|3156: ||2||2||3|| ||263|| |
|4395: || || ||3||5|| ||293|
|GCF: || || ||3|| || || |
The Greates Common Factor (GCF) is: 3