Generally speaking, finding a GCF (Greatest Common Factor) requires the comparison of two numbers. Since you only have one, I assume you want to highest factor of the single number.
Let's go ahead and break 24 into a factor line.
So the highest common factor (HCF/GCF) for 24 would be 2 • 2 • 2 • 3.
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21 factors into the primes 3 and 7; 24 factors into the primes 3 and 23. Therefore, the highest common integral factor is 3.
the highest common factor is 3. i am 11 and i know that, sorry you dont know that.
The factors of 21 are: 1, 3, 7, 21
The factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24
The common factors are: 1, 3
The GCF is 3.
The GCF is: 3
The GCF is 3.
The greatest common factor of 21 and 77 is 7.
The Greatest Common Factor of 21, 63, 84: 21