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Why will a prime number times a prime number always equal a composite number?
the two prime numbers will be factors of that number, which would make that number a composite number
A composite number times a prime number is?
Composite.
Is the sum of any two prime numbers always a composite number?
The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.
Is 138 prime or composite?
Composite since it ends in an even number it will always be divisible by 2
Is the square root of any composite numbers irrational?
The square root of a composite number is not always an irrational number. e.g. 4 is a composite number and its square root is 41/2 = 2, which is rational number.
Why will a prime number times a prime number always equal a composite number?
the two prime numbers will be factors of that number, which would make that number a composite number
A composite number times a prime number is?
Composite.
Is the sum of a prime number and a composite number always even?
No, the sum of a prime number and a composite number is not always even.
What composite number times 2 equals a prime number?
Any composite number multiplied by 2 is still a composite number.
Is an even number always composite number?
Yes.
Why 0 is not prime number?
Because 0 is infinate. Anything times 0 will always be 0. So, therefore, 0 is a composite number.
Is the sum of any two prime numbers always a composite number?
The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.
When a composite number is divided by a composite number the quotient is a prime number?
Not always as for example 32/4 = 8
Is 138 prime or composite?
Composite since it ends in an even number it will always be divisible by 2
Is 384 a prime or composite?
If a number other than 2 ends in a even number, it will always be composite.
Is the sum of prime number and a composite number always even?
No.
Is 308 a prime or composite number?
it is a composite number because you can tell from the 8 that it is an even number, and even numbers can always be divided.
