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They are: 1 and 3

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What are the factors for 42 and 45?

45:1,5,9,42 42:1,2,6,7,21,42


What are the factors of 25 and 45 42?

The factors of 25 are: 1, 5, 25 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The factors of 45 are: 1, 3, 5, 9, 15, 45


What are the common factors of 42 and 273?

The common factors of 42 and 273 are 1, 3, 7 and 21.


What are the common factors of 22 and 42?

The common factors of 22 and 42 are: 1 and 2


What are the common factors of 42 and 77?

The common factors of 42 and 77 are: 1 and 7


What are the common factors of 42 and 92?

The common factors of 42 and 92 are: 1 and 2


What are the common factors of 42 and 44?

The Common Factors of 42 and 44 are 1, 2


What are the common factors of 35 and 45?

The common factors of 35 and 45 are: 1 and 5


What are the common factors of 21 42 and 84?

The common factors of 21 42 and 84 are 21


Is 123 common factors of 42 and 44?

The common factors of 42 and 44 are 1 and 2.


What is the greatest common factor of 45 and 42?

3 is the GCF of 42 and 45


What are the common factors of 21 and 45?

Method to find common factors: Step 1: Find the difference between the two numbers. 52 - 42 = 10. Step 2: Find the factors of the difference so obtained. Factors of 10 are 1, 2, 5 and 10. Step 3: Check with only factors. 1 is factor of every number so, 1 is one of the common factors. 42 and 52 both are even numbers so, 2 is also the common factor. Numbers ending with the digit either 5 or 0 are only divisible by 5. And the ones ending with only 0 are divisible by 10. Clearly 42 and 52 are not divisible by 5 and 10. So, the only common factors of 42 and 52 are 1 and 2.