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The number which has only two factor that is one and the number itself.
0 0 0
Prime numbers are those numbers whose factors are the number itself and one
2,3,5,7,9,11,13,17,19,23 etc
1 2 1
they r the number those factores are the number itself 1 ,2 ,3 , 5 ,7 , 9 ,11 , 13 ......ect
sherryifan, it is not 1 because it has only one factor and a prime number is a number factor with 1 and the number itself. So 1 is not prime number.
1 is neither composite nor prime
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