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Q: What are the common factors of 42 72 and 84?
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What is the greatest common factor of 42 72 and 84?

Answer: 6Definition: A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common.Method:One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84.The common factors are 1, 2, 3, and 6. Therefore, the greatest common factor is 6.


What are the common factors of 21 42 and 84?

The common factors of 21 42 and 84 are 21


What are the common factors of 72 and 84?

The common factors are: 1, 2, 3, 4, 6, 12. 12 is the greatest common factor of 72 and 84. All the factors of 12 will therefore divide by both 72 and 84.


What is the common multiples of 12 and 42?

Multiples of 12 are 12, 24, 36, 48, 60, 72, 84... Multiples of 42 are 42, 84... Two common multiples of 12 and 42 are 84 and 168. The Least Common Multiple of 12 and 42 is 84.


What is the greatest common factor 42 72 and 84?

6


What are the prime factors of 42 72 84?

42 = 2 x 3 x 7 72 = 23 x 32 84 = 22 x 3 x 7


What is the greatest common number of 42 84 and 72?

The GCF is 6.


What is the GCF of 42 and 72 and 84?

The GCF is 6.


What is the greatest common factor of 72 and 84?

The GCF of 72 and 84 is 12. One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84. The common factors are 1, 2, 3, 4, 6, and 12. Therefore, the greatest common factor is 12. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors of 72 are 2, 2, 2, 3, and 3. The prime factors of 84 are 2, 2, 3, and 7. The prime factors in common are 2, 2, and 3, so the greatest common factor is 2 x 2 x 3 = 12.


What do 42 84 72 180 and 258 have in common?

they can all be divided by 2.


49 42 84 common factors?

1 and 7


What are the Highest Common Factors of 42 49 and 84?

It is 7