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2 is a Prime number because it is only divisible by 1 and itself.

Ex:1*2=2

It is the only even prime number and the smallest prime number!
Yes and 2 is the only even prime number

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7y ago
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14y ago

The name "prime number" is normally used only for positive numbers. -2 can be factored as (-1) x 2. You can decide for yourself whether want to consider it a prime number, but it is not usually considered as one.

The name "prime number" is normally used only for positive numbers. -2 can be factored as (-1) x 2. You can decide for yourself whether want to consider it a prime number, but it is not usually considered as one.

The name "prime number" is normally used only for positive numbers. -2 can be factored as (-1) x 2. You can decide for yourself whether want to consider it a prime number, but it is not usually considered as one.

The name "prime number" is normally used only for positive numbers. -2 can be factored as (-1) x 2. You can decide for yourself whether want to consider it a prime number, but it is not usually considered as one.

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14y ago

The name "prime number" is normally used only for positive numbers. -2 can be factored as (-1) x 2. You can decide for yourself whether want to consider it a prime number, but it is not usually considered as one.

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Q: Is 2 a prime number
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