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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.

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Q: What are the proper factors of 19?

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proper factor of 19

Proper factors are factors of the number except the number itself. So, with that said, the proper factors of 38 are 1, 2, and 19.

19 and 23

2 and 19

2, 4, 19, 38

The proper factors are 19 and 73 and both of them are prime so that makes them the prime factors as well. A list of all the factors might include 1, 19,73, and 1387

One has no proper factors.

The factors of 19 are 1 and 19

The factors of 19 are 1 and 19.

No. Some proper factors are prime.

No, no prime number has proper factors.

One has no proper factors.

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