what is the greatest common factor of 12 and 18 and 21?
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The common factors for 12,18,21 12 , 18 , 21 are 1,3 . The GCF (HCF) of the numerical factors 1,3 is 3 .
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Thus, the common factors of 16 and 12 are: 1, 2, and 4. Often in math problems, it can be desirable to find the greatest common factor of some given numbers. In this case, the greatest common factor is 4.
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Greatest Common Factor of 21 and 40. Greatest common factor (GCF) of 21 and 40 is 1.
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24s3 is the greatest common factor of 24 S3 12 s4 and 18s.
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Greatest common factor (GCF) of 18 and 72 is 18. We will now calculate the prime factors of 18 and 72, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18 and 72.
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We found the factors and prime factorization of 12 and 18. The biggest common factor number is the GCF number. So the greatest common factor 12 and 18 is 6.
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We found the factors and prime factorization of 12 and 21. The biggest common factor number is the GCF number. So the greatest common factor 12 and 21 is 3.
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The factors of 18 are 18, 9, 6, 3, 2, 1. The factors of 21 are 21, 7, 3, 1. The common factors of 18 and 21 are 3, 1, intersecting the two sets above. In the intersection factors of 18 ∩ factors of 21 the greatest element is 3.
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2 × 2 × 2 × 3 = 24 Therefore, the greatest common factor of 48 and 72 is 2 × 2 × 2 × 3 = 24. If we write down the factors of 12 and 15, they are: Factors of 12: 1, 2, 3, 4, 6, 12 Factors of 15: 1, 3, 5, 15 The greatest common factor (abbreviated GCF) is the largest common factor.
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Greatest Common Factor of 5 and 18. Greatest common factor (GCF) of 5 and 18 is 1.
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We found the factors and prime factorization of 48 and 12. The biggest common factor number is the GCF number. So the greatest common factor 48 and 12 is 12.
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Greatest Common Factor of 18 and 16. Greatest common factor (GCF) of 18 and 16 is 2.
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Greatest Common Factor of 8 and 20. Greatest common factor (GCF) of 8 and 20 is 4.
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Greatest Common Factor of 18 and 25. Greatest common factor (GCF) of 18 and 25 is 1.
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We found the factors and prime factorization of 48 and 18. The biggest common factor number is the GCF number. So the greatest common factor 48 and 18 is 6.
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The biggest common factor number is the GCF number. So the greatest common factor 21 and 40 is 1.
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The common factors of 18 and 81 are 9, 3, 1, intersecting the two sets above. In the intersection factors of 18 ∩ factors of 81 the greatest element is 9. Therefore, the greatest common factor of 18 and 81 is 9.