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The common factors of 420 and 450 are numbers that can evenly divide both 420 and 450 without leaving a remainder. To find the common factors, you can first calculate the prime factorization of each number. The prime factorization of 420 is 2^2 * 3 * 5 * 7, and the prime factorization of 450 is 2 * 3^2 * 5^2. By comparing the prime factors of both numbers, you can identify the common factors as 2, 3, 5.

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ProfBot

1w ago
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Wiki User

15y ago

420 = 2*2*3*5*7 450 = 2*3*3*5*5 So common factors are 1, 2, 3, 5, 6, 10, 15 and 30.

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Q: What are the common factors of 420 and 450?
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What are the common factors of 24 and 420?

The common factors of 24 and 420 are: 1, 2, 3, 4, 6, and 12


What are the common factors and greatest common factor of 360 and 450?

Some common factors of 360 and 450 are 2, 3, and 5, while the greatest common factor is 90.


What is the greatest common factor of 420 735 and 945?

The GCF of 420, 735, and 945 is 105.The prime factorization of 420 is 2x2x3x5x7The prime factorization of 735 is 3x5x7x7The prime factorization of 945 is 3x3x3x5x7(1) List the prime factors of each number.(2) Multiply those factors all numbers in the set have in common. If there are no common prime factors, the GCF is 1. (Those factors are the ones in bold type.)As you can see the GCF is 3x5x7 or 105


What is the greatest common factor of 350 and 450?

Answer:The greatest common factor of 350 and 450 is 50.The common factors of 350 and 450 are 1, 2, 5, 10, 25, and 50.Definition: A factor is a divisor - a number that will evenly divide into another number. The common factors of two or more numbers are all the factors that the numbers have in common. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.Methods: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 350 are 1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 175, and 350.The factors of 450 are 1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, and 450.The common factors are 1, 2, 5, 10, 25, and 50. Therefore, the greatest common factor is 50.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 350 are 2, 5, 5, and 7.The prime factors of 450 are 2, 3, 3, 5, and 5.The prime factors in common are 2, 5, and 5, so the greatest common factor is 2 x 5 x 5 = 50.


How many different prime factors does 420 have?

420 has four prime factors: 2,3,5,7