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Earn +20 ptsQ: What is the highest common factor of 3 and 21?
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What is the highest common factor of 21 and 9?
The greatest common factor (GCF) of 21 and 9 is 3.
What is the hcf of 12 21 and 30?
The Highest Common Factor is 3
What is the greatest common factor of 20 and 54?
The greatest common factor of 21 and 54 is 3. The greatest common factor is the highest number that divides exactly into two or more numbers. factors of 21: 1, 3, 7, 21 factors of 54: 1, 2, 3, 6, 9, 18, 27, 54 The greatest common factor of 21 and 54 is 3.
What is the common factor of 18 36?
You need at least two numbers to find a GCF.
What is the greatest common factor of 21 and 651?
The factors of the two numbers are :- 51 : 1, 3, 17 and 51 21 : 1, 3, 7 and 21. Ignoring the trivial factor of 1, the only common factor and therefore the greatest common factor is 3.
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