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Is 18 a prime number? [SOLVED]
Answer
18 is
not
a
prime number
.
Related links:
Is 18 a composite number?
Is 18 an even number?
Is 18 an irrational number?
Is 18 an odd number?
Is 18 a perfect number?
Is 18 a perfect square?
Is 18 a rational number?
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What are the multiples of 18?
What is the prime factorization of 18?
