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a Prime number is if the number only can be divided by 1 and itself. If it has more than 2 factors it is a composite
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Earn +20 ptsQ: How do you decide if a number is prime or composite?
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How do you decide if a counting number is a composite number?
A prime number has exactly two factors, 1 and the number itself. Any number having more factors than a prime is a composite number.
Is 163 prime or composite?
The number is not COMPOSITE. Instead, it is a prime number.
Is 432 composite or a prime number?
Composite (the only even number that is prime is2).
Is the number 36 prime or composite?
Composite
Do you need to know all the factors of a number to decide if its prime or composite?
No. If the number has one factor (other than 1 and itself) it is a composite. However, to establish that a number is prime it needs to be checked for divisibility by each prime number up to the square root of the number. If the only factor found is 1, then it is a prime.
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