what is the greatest common factor of the numbers 18 and 30?
102672
We found the factors and prime factorization of 18 and 30. The biggest common factor number is the GCF number. So the greatest common factor 18 and 30 is 6.
684938
The common factors of 15 and 18 are 3, 1, intersecting the two sets above. In the intersection factors of 15 ∩ factors of 18 the greatest element is 3. Therefore, the greatest common factor of 15 and 18 is 3.
509012
The common factors of 30 and 90 are 30, 15, 10, 6, 5, 3, 2, 1, intersecting the two sets above. In the intersection factors of 30 ∩ factors of 90 the greatest element is 30. Therefore, the greatest common factor of 30 and 90 is 30.
823978
Greatest Common Factor of 9 and 18. Greatest common factor (GCF) of 9 and 18 is 9. We will now calculate the prime factors of 9 and 18, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 9 and 18.
1199943
Factors of 30 are {1,2,3,5,6,10,15,30} . Factors of 42 are {1,2,3,6,7,14,21,42} . Common factors are {1,2,3,6} . Greatest Common Factor is 6 .
1002817
Although the numbers in bold are all common factors of both 36 and 54, 18 is the greatest common factor. The second method to find the greatest common factor is to list the prime factors, then multiply the common prime factors.
437501
Greatest common factor (GCF) of 8 and 30 is 2. We will now calculate the prime factors of 8 and 30, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 8 and 30.
1473117
We found the factors and prime factorization of 30 and 50. The biggest common factor number is the GCF number. So the greatest common factor 30 and 50 is 10.
1059030
1, 2, 3, 4, 6, 9, 12, 18, and 36. 1, 2, 3, 6, 9, 18, 27, and 54. Although the numbers in bold are all common factors of both 36 and 54, 18 is the greatest common factor. The second method to find the greatest common factor is to list the prime factors, then multiply the common prime factors.
1187544
Greatest Common Factor of 11 and 18. Greatest common factor (GCF) of 11 and 18 is 1.
875585
The biggest common factor number is the GCF number. So the greatest common factor 18 and 16 is 2.
556421
We found the factors and prime factorization of 18 and 31. The biggest common factor number is the GCF number. So the greatest common factor 18 and 31 is 1.
217985
Greatest Common Factor of 18 and 36. Greatest common factor (GCF) of 18 and 36 is 18. We will now calculate the prime factors of 18 and 36, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 18 and 36.
1352450
Therefore, the greatest common factor of 15 and 18 is 3.
391124
Greatest common factor (GCF) of 16 and 30 is 2. We will now calculate the prime factors of 16 and 30, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 16 and 30.
1082485
We found the factors and prime factorization of 18 and 34. The biggest common factor number is the GCF number. So the greatest common factor 18 and 34 is 2.
1449092
Greatest common factor (GCF) of 3 and 18 is 3. We will now calculate the prime factors of 3 and 18, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3 and 18.