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A Prime number has exactly 2 factors.
A composite number must have at least 3 factors.
1 does not fall into either of the above definitions so it is not composite.
It used to be considered a prime number but is not any longer.
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Which statement is true a.twenty-nine is a composite number b.thirty-one is a composite number c.fifty-one is a composite number d.fifty-one is a composite number?
Your options C and D are the same, but it is true that 51 is a composite number.
Why is one a composite number?
ANSWER: One is not a composite number.One is not also a prime number.
Is the number 1 composite or prime and why?
1 is neither a prime nor a composite number because it has only one factor (itself (1)). The definition of a prime number is a number that has the factor of one and itself, so one is not prime. The definition of a composite number is a number that has more than 2 factors, so one is not composite. One is a special number.
Is forty one a prime or composite number?
Composite
Why are composite number composite?
Because if they have one or more factores
