The factors of 125 are:
1, 5, 25, 125
The factors of 400 are:
1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400
The common factors are:
1, 5, 25
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Factors are the numbers you multiple together to get another number. 125: 1, 5, 25, 125
The factors of 500 are 1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500. For them to be common, they need to be compared to another set of factors.
Answer: 1Definition: 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 the numbers have in common.Method: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 62 are 1, 2, 31, and 62.The factors of 125 are 1, 5, 25, and 125.The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime.
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.The greatest common factor of 20 and 125 is 5
We firstly have to express each of these numbers as a product of their prime factors.200 = 23x52250 = 2 x53400 = 24x52We now collect all the prime factor indices that are common to ALL of the numbers.HCF - 2 x 52 = 50