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Why Is 45 A Prime Number? [Solved]
No, 45 is not a prime number. The number 45 is divisible by 1, 3, 5, 9, 15, 45. For a number to be classified as a prime number, it should have exactly two factors. Since 45 has more than two factors, i.e. 1, 3, 5, 9, 15, 45, it is not a prime number.
Prime Factors of 45 - prime Factorization
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Prime Factorization Of 45
Prime Factorization
1 and Prime Numbers - Numberphile
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