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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. The largest prime number between 18 and 24 is 23.

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Q: What is largest prime or composite number between 18 and 24?
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Related questions

What is between the largest prime number and the smallest composite number below 100?

Many prime numbers and many composite numbers.


What is the largest composite digit?

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