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Can odd numbers be composite?
If an odd number has more than two factors then it is a composite number but if it has only two factors then it is a prime number. Although all prime numbers are odd except for 2 many more odd numbers are composite numbers having more than two factors as for example 21 is an odd number whose factors are 1, 3, 7 and 21.
Does composite numbers have an even number of factors correct or incorrect explain?
Incorrect. Square numbers are composite and have an odd number of factors.
Are Every odd number is a prime number?
No because as for example 39 is an odd number but it is also a composite number because it has more than two factors and prime numbers have only two factors.
Can an odd number have odd numbers of factors?
Yes. Square numbers have an odd number of factors. 49 has three factors.
What is an facts about prime numbers?
Prime numbers are numbers that have only 2 factors, 1 and itself. The number one is not prime or composite. Most prime numbers are odd. There is only one composite even number, 2.
