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A Prime number is a number with two and only two factors: 1 (also known as unity) and itself. A composite number is a number with more than two factors; in other words, it has at least one factor besides 1 and itself.
647 does not have factors other than 1 and itself, so it is a prime number.
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Earn +20 ptsQ: Is 647 a prime number or a composite number?
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Continue Learning about Math & Arithmetic
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?
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What is neither a prime nor a composite number?
It is 1 that is neither a prime or a composite number The number 1 is neither prime nor composite.
What are the prime factors of a composite prime number?
There is not such a thing as a composite prime number. A prime number has exactly two factors. A composite number has more than two factors.
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