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.
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
It's not possible to have a common factor of a single number. Common factors are the result of comparing at least two numbers. The least common factor ofany set of positive integers is 1. The GCF of 30, 210 and 420 is 30. The LCM of 30, 210 and 420 is 420.
The GCF is 35.
The GCF is 12.
The GCF is 60.
The GCF is 12.
The GCF is 84.