It means the highest common factor of two numbers or more.
For example the HCF of 18 and 27 is 9
18=2×3×3
27=3×3×3
The common factor is 3×3=9
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HCF stands for Highest Common Factor. It is also known as the GCF, or Greatest Common Factor.
Oh, I see you're curious about what numbers can go into both 10 and 84. Let's take a moment to appreciate the beauty of numbers working together. The numbers that can go into both 10 and 84 are 1, 2, and 5. It's like a happy little math family coming together to create harmony.
The HCF is 7.
The HCF is 1.
The HCF is: 2