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Are all multiples of 3 composite numbers?
No 28 is a composite number and not a multiple of 3
Are composite numbers always even?
No - although all positive even numbers other than 2 are composite, this does not mean that all composite numbers are even - the first odd composite number is 9, which is equal to 3 x 3.
What are all the composite numbers with 3 factors?
squares of prime numbers
Are all numbers divisible by 3 a composite?
Yes except 3 itself which is neither composite or prime
Are composite numbers even numbers?
Not all composite numbers are even, but all even numbers except 2 are composite.
What are all the composite number with 3 prime numbers?
3, 19, 57
Why are all composite numbers not even?
Because composite number have more than two factors which may include odd and even numbers as for instance 21 is an odd numbers with more than two factors which are 1, 3, 7, 21 and that all even numbers are composite numbers with the exception of 2 which is a prime number.
Do prime numbers have to be odd and composite numbers have to be even?
No. All prime numbers except for the number 2 are odd. However, most odd numbers are composite numbers. All even numbers greater than 2 are composite numbers. So, prime numbers do not need to be odd, since one prime number is even. Also, composite numbers do not need to be even.Here are some composite odd numbers:9 = 3 x 333 = 3 x 1175 = 5 x 15
What are 25 numbers which are consecutive composite numbers?
The 25 numbers from 26! + 2 to 26! + 26 are all composite. Thus, the 25 numbers from 403,291,461,126,605,635,584,000,002 to 403,291,461,126,605,635,584,000,026 are all composite.
Are 3 17 and 31 composite?
3, 17 and 31 are all prime numbers.
Does a composite number have 3 factors?
All composite numbers have more than two factors whereas prime numbers have only two factors
What are three composite numbers?
Three composite numbers are 1 3 6
