To find the greatest common factor (GCF) for 21, 35, and 56, we need to first find the prime factors of each number. The prime factors of 21 are 3 and 7, 35 breaks down to 5 and 7, and 56 can be expressed as 2, 2, 2, 7. The GCF is the product of the common prime factors raised to the lowest power, which in this case is 7. Therefore, the greatest common factor for 21, 35, and 56 is 7.
168
The Greatest Common Factor of 42, 56, 98: 14
The GCF is 8.
28 and 56 have a GCF of 28.
The GCF is 7.
The greatest common factor of 21 and 56 is 7.
The greatest, (Highest) Common Factor of 21 and 56 is 7
The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.The factors of 56 are 1, 2, 4, 7, 8, 14, 28, and 56.The factors of 140 are 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, and 140.The common factors of 42, 56, and 140 are 1, 2, 7, and 14. Therefore, the least common factor (the smallest common factor) is 1.The GCF is 14.
The GCF is 28.
7. 7x3=21 7x8=56
7
The GCF of 21, 56, and 70 is 7.
Find a common factor of 21 and 56 and divide both by that factor to give two new numbers. If necessary, repeat the process with a common factor of these two numbers and so on. This looping can be done in one step if you can find the greatest common factor. So, for 21 and 56, the GCF = 7 So 21/56 = (21/7) / (56/7) = 3/8
The Greatest Common Factor (GCF) is: 7
1 and 7
The GCF is 7.