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# Is 3 a common factor of 30 and 40?

Updated: 4/28/2022

Wiki User

8y ago

No, 3 is not a factor of 40.

Wiki User

8y ago

Wiki User

11y ago

No. 3 is a factor of 30 but not of 40 .

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Q: Is 3 a common factor of 30 and 40?
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### What is 40 to 30?

40 and 30 have 10 as their common factor ,so it can be cancelled from both numerator and denominator so 40 to 30 in simplest form 4/3

### What are the highest common factors in the numbers 30 and 40?

Factors of 30 are: 1, 2, 3, 5, 6, 10, 15, and 30. Factors of 40 are: 1, 2, 4, 5, 8, 10, 20, and 40. Find the greatest factor they both have in common. That is the greatest common factor.

### What is the Greatest Common Factor of 15 30 40?

The greatest common factor of 15, 30, and 40 is five (5) Answer: 5 Solution: 15 = 1, 3, 5, 15 30 = 1, 2, 3, 5, 10, 15, 30 40 = 1, 2, 4, 5, 8, 10, 20, 40 Explamation: For the soultion all those numbers 15, 30, 40 have the number(s) 1 and 5 in common. Since we want the GREATEST common factor (GCF) we want the highest number pssible. So therefore since all numbers have 5 in common and there is no other factor that they ALL have in common the GCF would be 5.

### What is the common factor of 30 and 40?

The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30. The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40. The common factors of 30 and 40 are 1, 2, 5, and 10, and the GCF is 10.

### What is the greatest common factor of 39 and 30?

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The greatest common factor of 3 and 40 is 1. There are no common factors between 3 and 40 aside from 1. This means that the GCF is 1.

### What is the greatest common factor of 30 and 40?

Answer:The greatest common factor of 30 and 40 is 10.The common factors of 30 and 40 are 1, 2, 5, and 10.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 30 are 1, 2, 3, 5, 6, 10, 15, and 30.The factors of 40 are 1, 2, 4, 5, 8, 10, 20, and 40.The common factors are 1, 2, 5, and 10. Therefore, the greatest common factor is 10.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 30 are 2, 3, and 5.The prime factors of 40 are 2, 2, 2, and 5.The common prime factors are 2 and 5, so the greatest common factor is 2 x 5 = 10.10

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The greatest common factor for 30 and 99 is 3.

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