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To get the Greates Common Factor (GCF) of 220 and 3025000 we need to factor each value first and then we choose all the copies of factors and multiply them:
|220: ||2||2|| ||5|| || || || ||11|| |
|GCF: ||2||2|| ||5|| || || || ||11|| |
The Greates Common Factor (GCF) is: 2 x 2 x 5 x 11 = 220