Arthur D. answered • 08/23/17
Tutor
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Forty Year Educator: Classroom, Summer School, Substitute, Tutor
there is only one even prime number and that number is 2
no other even number can be a prime number because the even number would have at least 3 factors, 1, the number itself, and 2
examples: 4 is divisible by 1, 4, and 2
6 is divisible by 1, 2, 3, and 6
by the way, 0 is neither prime nor composite
0 is not prime because it has infinitely many factors
0=0*1, 0=0*2, 0=0*3
also, any prime is divisible by 1 and itself, but 0 is not divisible by 0 because division by 0 is undefined
