A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common.
One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.
The factors of 28 are 1, 2, 4, 7, 14, and 28.
The factors of 180 are 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, and 180.
The common factors are 1, 2, and 4. Therefore, the greatest common factor is 4.
The Greatest Common Factor of 28, 48 is 4.
The greatest common factor of 48 and 28 is 4.
The greatest common factor of 16 and 28 is 4
The greatest common factor of 28 and 49 is 7.
The GCF (Greatest Common Factor) of 28 and 140 is: 2828.
The greatest common factor is 28.
The greatest common factor of 154 , 28 = 14
The greatest common factor of 28 and 55 is 1
The greatest common factor of 2702 , 28 = 14
The greatest common factor of 28 and 20 is 4.
The Greatest Common Factor of 28, 48 is 4.
The greatest common factor of 48 and 28 is 4.
The greatest common factor of 16 and 28 is 4
The greatest common factor of 28 and 120 is 4.
The greatest common factor of 28 and 250 is 2.
The greatest common factor of 7 and 28 is 7.
The greatest, and only, common factor of 57 (=3x19) and 28 (=22x7) is 1.