75 is the biggest number with which 525 and 3000 can be divided, making it the greatest common factor.
Finding all common factors between two integers and choosing the biggest one yields the highest common factor (HCF). It is the most powerful divisor for any pair of integers that can divide the inputted numbers evenly or fully. The largest of all the common factors between two or more integers is known as the Highest Common Factor (HCF). A number that divides two or more integers precisely is referred to as a common factor. Factors are numerical combinations that we may multiply to produce another number. These are the "common factors" when we determine the factors of two or more integers and discover some of those factors are the same (or "common").
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