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Since the only factors of 19 are 1 and 19, it is a prime number.

A Prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors.

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8y ago

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Wiki User

7y ago

19 is a prime number - it is divisible evenly only by 1 and itself.

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Wiki User

8y ago

It is a prime.

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Anonymous

Lvl 1
4y ago

Prime

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Q: Is 19 prime or composite
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