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No. 1 is neither a Prime number nor a composite number.
a prime number has two factors - 1. the number itself
2. one (because one divides every number)
a composite number has a lot of factors i.e, more than two factors at least.
1 has only one factor that is 1 itself and no other number divides the number 1.
thus 1 is neither a prime number nor a composite number.
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What number has only one prime factor?
No prime number only has one factor. Each prime number has itself and 1 as factors. Now, the number 1 of course has only one factor, but it is technically not a prime number.
Is one a perfect number?
no, but I don't know why. One is not a prime number and by definition of a perfect number one must be a prime number.
What are prime number and composite numbers?
a prime number is a number that you can plus by one
Is a prime number a subset of an odd number?
No. There is one even prime.
Prime number is divisible by another prime number?
This is impossible. A prime number is defined as a number that is only divisible by one and itself. Thus, a 'prime' number capable of being divided by another prime number is by definition not a prime number.
