The lowest common denominator of any two or more whole numbers, such as 51 and 85, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.
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The GCF/HCF of 85 and 185 is 5.
The Greatest Common Factor of 80, 85, 90: 5
There are none other than 1. 53 is a prime number, and can only have common factors with a multiple of 53. 53 = 1 x 53 85 = 1 x 85 or 5 x 17 No common factors other than 1, so the GCF would be considered 1.
The greatest common factor of 17, 68, and 85 would have to be 17. This is due to the fact that 17 cannot be divided by anything except itself and zero. 68 can be divided by 17 four times, and 85 can be divided by 17 five times. This concludes that 17 would be the Greatest Common Factor of these three numbers.
An arithmetic sequence with common difference of 2.