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The term common factors specifically refers to the factors shared by two or more numbers. Since 19 is a single number, you could say that it shares all of its factors with itself.

19 is a Prime number. It is only evenly divisible by itself and one.

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The PROPER factor of 19 is 1 and just 1. Since 19 is a prime number its only proper factor is 1. Any prime number only has 1 proper factor which is 1.

1, 19

1, 2, 4, 5, 10, 20

1,19

1,2,4,5,10,20

1 and 19

1 and 19

Q: What are factors of 19 and 20?

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8 and 19 share no common factors aside from 1.

The factors of 19 are 1 and 19

Four, four, six, three, six and two factors respectively.

The factors of 19 are: 1, 19 The factors of 76 are: 1, 2, 4, 19, 38, 76 The common factors are: 1, 19 The Greatest Common Factor: 19

The common factors are: 1, 19

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The factors of 20 are: 1, 2, 4, 5, 10, 20 The factors of 76 are: 1, 2, 4, 19, 38, 76

Since 19 is a prime number, it only has two factors - 1 and 19.

15 and 4 are the factors of 120 that add up to 19.

13, 17, and 19

8 and 19 share no common factors aside from 1.

The factors of 10 are: 1, 2, 5, 10 The factors of 11 are: 1, 11 The factors of 12 are: 1, 2, 3, 4, 6, 12 The factors of 13 are: 1, 13 The factors of 15 are: 1, 3, 5, 15 The factors of 16 are: 1, 2, 4, 8, 16 The factors of 17 are: 1, 17 The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 19 are: 1, 19 The factors of 20 are: 1, 2, 4, 5, 10, 20

The factors of 19 are 1 and 19.

The factors of 760 are: 1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, and 760.The prime factors of 760 are: 2, 5, and 19.

The factors of 19 are 1 and 19

The factors of 17 are: 1, 17. The factors of 19 are: 1, 19.

The factors of 13 are: 1, 13 The factors of 19 are: 1, 19

Four, four, six, three, six and two factors respectively.