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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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What number is not a prime factor of 100?
what number is not a prime factor
I am a prime number less than 10 if you add 10 or 20 the result is a prime number what number am i?
The prime number less than 10 that, when added to either 10 or 20, results in a prime number is 3. When you add 10 to 3, you get 13, which is a prime number. Similarly, when you add 20 to 3, you get 23, which is also a prime number.
What is the smallest prime number greater than 20?
23 is the smallest prime number greater than 20.
What prime numbers are between 20 and 28?
23 is the only prime number between 20 and 28.
What is the first prime number after 20?
23
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