30
The lowest common denominator of 30 and 42 is 210.
A common denominator is 210.
210
It is 210
210
It is: 30
30
The lowest common denominator of 30 and 42 is 210.
The greatest common denominator is an infinite number and not very practical for problem solving. The GCF is 7. The LCM is 210.
A common denominator is 210.
210
10
The GCF of 120 and 210 is 30.One way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 120 are 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, and 120.The factors of 210 are 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, and 210.The common factors are 1, 2, 3, 6, 10, 15, and 30. Therefore, the greatest common factor is 30.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 120 are 2, 2, 2, 3, and 5.The prime factors of 210 are 2, 3, 5, and 7.The prime factors in common are 2, 3, and 5, so the greatest common factor is 2 x 3 x 5 = 30.
The greatest common factor of 66 and 210 is 6.
The greatest common factor of 1200 and 210 is 30.
The greatest common factor of 154 , 210 = 14
The greatest common factor of 170 and 210 is 10