what is the highest common factor of the set of numbers 54 72 90?
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Greatest common factor (GCF) of 54 and 72 is 18. We will now calculate the prime factors of 54 and 72, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 54 and 72.
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We found the factors and prime factorization of 35 and 45. The biggest common factor number is the GCF number. So the greatest common factor 35 and 45 is 5.
1346353
We found the factors and prime factorization of 16 and 54. The biggest common factor number is the GCF number. So the greatest common factor 16 and 54 is 2.
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The common factors of 7 and 36 are 1, intersecting the two sets above. In the intersection factors of 7 ∩ factors of 36 the greatest element is 1. Therefore, the greatest common factor of 7 and 36 is 1.
964578
The common factors of 96 and 72 are 24, 12, 8, 6, 4, 3, 2, 1, intersecting the two sets above. In the intersection factors of 96 ∩ factors of 72 the greatest element is 24. Therefore, the greatest common factor of 96 and 72 is 24.
732515
The common factors of 3 and 36 are 3, 1, intersecting the two sets above. In the intersection factors of 3 ∩ factors of 36 the greatest element is 3. Therefore, the greatest common factor of 3 and 36 is 3.
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The prime factors and multiplicities 44 and 72 have in common are: 2 x 2. 2 x 2 is the gcf of 44 and 72. gcf(44,72) = 4.
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The common factors of 45 and 72 are 9, 3, 1, intersecting the two sets above. In the intersection factors of 45 ∩ factors of 72 the greatest element is 9. Therefore, the greatest common factor of 45 and 72 is 9.
1160692
We found the factors and prime factorization of 36 and 60. The biggest common factor number is the GCF number. So the greatest common factor 36 and 60 is 12.
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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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We found the factors and prime factorization of 48 and 56. The biggest common factor number is the GCF number. So the greatest common factor 48 and 56 is 8.
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We found the factors and prime factorization of 64 and 72. The biggest common factor number is the GCF number. So the greatest common factor 64 and 72 is 8.
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You can also use the prime factors to determine all the other factors as well. The greatest common factor of 54and36 is 18 .
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In the intersection factors of 45 ∩ factors of 81 the greatest element is 9. Therefore, the greatest common factor of 45 and 81 is 9.
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The common factors of 56 and 98 are 14, 7, 2, 1, intersecting the two sets above. In the intersection factors of 56 ∩ factors of 98 the greatest element is 14. Therefore, the greatest common factor of 56 and 98 is 14.
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The common factors of 54 and 27 are 27, 9, 3, 1, intersecting the two sets above. In the intersection factors of 54 ∩ factors of 27 the greatest element is 27. Therefore, the greatest common factor of 54 and 27 is 27.
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The prime factors and multiplicities 44 and 66 have in common are: 2 x 11. 2 x 11 is the gcf of 44 and 66. gcf(44,66) = 22.