14 and 28
Yes, technically, since -7 x -4 = 28. We do not generally list negative factors for positive numbers. We do list negative factors for negative numbers.
Find the GCF of the numerator and the denominator and divide them both by it. The GCF of 7 and 28 is 7, 7/28 becomes 1/4
The greatest common factor for 7 and 28 is 7
56, 70, 84... Just keep adding 14.
The greatest common factor of the numbers 7, 24 and 28 is 1.
14 and 28
The highest common factor of both numbers is 7
7, 14 and 28
The highest common factor of the numbers 28, 84 and 91 is 7.
The greatest common factor of the numbers 28, 35 and 63 is 7.
21 and 28
Everything except 1, 2, 4, 7, 14, 28
The greatest common factor can't be a smaller number than the least common factor, but if you meant least common multiple, 7 and 28 have a GCF of 7 and an LCM of 28.
21 and 28 have 7 as a factor.
21, 28, 35
The greatest common factor of these two numbers is 7.