To find the HCF you first need to break the numbers down into their prime factors. In this case you'd get:
3 = 3
15 = 3x5
The next step is to identify any common prime factors. In this case, the only common prime factor is 3. Therefore the HCF of 3 and 15 is 3.
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The Highest Common Factor (HCF) of 15 and 24 is 3. To find the HCF, you can list the factors of each number and identify the largest factor they have in common. The factors of 15 are 1, 3, 5, and 15. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The largest factor they have in common is 3, making it the HCF.
3
Well darling, the Highest Common Factor (HCF) of 6 and 15 is 3. It's like finding the hottest person in a room full of average Joes - they stand out because they're the biggest factor that both numbers share. So, there you have it, 3 is the HCF of 6 and 15.
The GCF is 3.
9 & 15