Since 210 is a factor of 420, it is automatically the GCF.
210 and 420 have a GCF of 210.
The GCF of 420 and 630 is 210.
The Greatest Common Factor (GCF) is: 210
210 is not a multiple of 420. 420 is a multiple of 210.
420 - 210 = 210 630 - 420 = 210 840 - 630 = 210
210
420/2 = 210 210/2 = 105
The LCM is 420.
The GCF is 12.
The GCF is 60.
The GCF is 84.
The GCF is 35.