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Are all prime numbers greater than 2 odd numbers? Are all composite numbers even numbers? Justify your response with examples.

Sagot :

Answer:

Yes and no

Step-by-step explanation:

Prime numbers greater than 2 are always odd because if they were even they would be divisible by 2, becoming composite. Not all composite numbers are even, some may be a multiple of two odd numbers. For example, 21 = 3*7