The highest common factor of 12 and 20 is 4.
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100 and 180's highest common factor is 20.
Their factors are: 12: 1, 2, 3, 4, 6, 12 20: 1, 2, 4, 5, 10, 20 36: 1, 2, 3, 4, 6, 9, 12, 18, 36 Common factors: 1, 2, 4 Highest Common Factor: 4
The Highest Common Factor (HCF) of 20 and 24 is the largest number that divides both 20 and 24 without leaving a remainder. To find the HCF, you can list the factors of each number and identify the highest number they have in common. The factors of 20 are 1, 2, 4, 5, 10, and 20, while the factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The highest common factor of 20 and 24 is 4.
The highest common factor (HCF) refers to a factor that is COMMON to two or more numbers. You have only one number in the question! The highest factor of any number is itself.
To find the highest/greatest common factor. you must first identify the factors for each number.For 120, its factors are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120.For 36, its factors are 1, 2, 3, 4, 9, 12, 18, and 36.12 is the highest (or greatest) factor they have in common, so the HCF for 120 and 36 is 12.