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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. 73 is prime.

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Q: Is 73 a composite or prime and how do you know?

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73, prime. 72, composite.

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73 is a prime number

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They are primes.

73 is Prime, therefore there are no factors to list except for 1.

73 is a prime number. 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.

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