(54,1)(27,2)(18,3)(9,6)
54 = 1 x 54 54 = 2 x 27 54 = 3 x 18 54 = 6 x 9
1, 2, 3, 6, 9, 18, 27, 54 (54,1)(27,2)(18,3)(9,6)
(36,1)(18,2)(12,3)(9,4)(6,6) (54,1)(27,2)(18,3)(9,6)
The Greatest Common Factor (GCF) of 54 and 39 is 3.
The greatest common factor of 54 and 102 is 6. The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.
(54,1)(27,2)(18,3)(9,6)
54 = 1 x 54 54 = 2 x 27 54 = 3 x 18 54 = 6 x 9
(54,1)(27,2)(18,3)(9,6)
1 and 54 2 and 27 3 and 18 6 and 9
(54,1)(27,2)(18,3)(9,6)
1, 2, 3, 6, 9, 18, 27, 54
Four pairs: 54 and 1 27 and 2 18 and 3 9 and 6
There cannot be a greatest common factor if there are not at least two numbers to compare. The greatest common factor is the largest factor that all the numbers have in common - the largest factor that they all share. Here are some sets of numbers with the greatest common factor of 54: 54, 108 108, 162 54, 162, 540 432, 378
(1, 108) (2, 54) (3, 36) (4, 27) (6, 18) (9, 12)
1*54 2*27 3*18 6*9
2, 6, 18, 54
1, 2, 3, 6, 9, 18, 27, 54 (54,1)(27,2)(18,3)(9,6)