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No. Even numbers are never prime numbers. A Prime number is a number that is only divisible by 1 and itself. Even numbers are always divisible by 2, so they are never prime.

And 20 is also divisible by 4 and 5. Its factors are 1, 2, 4, 5, 10, and 20.

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โˆ™ 2012-04-19 02:09:51
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Q: Is 20 a prime number
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