The highest common factor (HCF) of 10 and 25 is 5. This is because 5 is the largest positive integer that divides both 10 and 25 without leaving a remainder. The factors of 10 are 1, 2, 5, and 10, while the factors of 25 are 1, 5, 25. The highest common factor is the greatest number that appears in both lists, which in this case is 5.
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10= 1, 2, 5, 10 25= 1, 5, 25 Highest Common Factor= 5 Lowest Common Factor= 1
25
The highest common factor of 175 and 200 is: 25
The greatest common factor of 20 and 25 is 5:The factors of 20 are 1, 2, 4, 5, 10 and 20.The factors of 25 are 1, 5, and 25.The common factors of 20 and 25 are therefore 1 and 5 (and 5 is, of course, the highest).The HCF is: 5
The GCF is 5.