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Do you need to know all of the factors of number to know if it is prime or composite?
Wiki User
∙ 2010-12-08 02:01:14
No, if a number has even one additional factor besides itself and the number one, then you automatically know it's composite.
Wiki User
∙ 2010-12-08 02:01:14
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How do you know when a number is prime composite or neither by looking at the factors of the number?
Prime numbers have two factors; composite numbers have more than two factors. 1 and 0 are neither.
How can you know weather a number is prime or composite?
Prime numbers have two factors. Composite numbers have more than two.
Do you need to know all of the factors of a number to know it is prime or composite?
To know that a number is prime you need to know that it has no factors other than 1 and the number itself.To know that a number is composite you only need to know one factor other than the number itself or 1.
Why do you need to know about prime and composite numbers?
If you know a number is composite, then you also know that it can be factored into more factors than just 1 and itself. A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
Do you need to know all the factors of a number in order to determine if it is a prime or composite?
No. There are techniques to find if it is prime
How do you know when a number is composite or prime?
Prime numbers have only two factors. Composite numbers have more than two.
Why do you need to know all of the factors of a number in order to determine if its a prime or composite?
Prime numbers have just two factors, 1 and itself. Composite numbers have more than two factors.
Do you need to know all of the factors of a number in order to determine if it prime or composite?
No, you only need to determine if the number has any factors besides 1 and itself. If it does, it is a composite number.
How do you know if a number is composite prime or neither by looking at the factors of the number explain your answer?
Prime numbers have two factors. Composite have more than two. Neither (one and zero) have less than two.
How do you know 360 is composite or prime?
Because it is divisible by 10 with no remainder and it has more than two factors which makes it a composite number whereas a prime number has only two factors which are itself and one
How can you know whether a number is prime or composite?
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
How do people know if a number is prime or composite?
A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.
