To calculate: The prime factors of the number 45 and state whether it is prime or not.
Answer to Problem 15OE
The number 45 is not aprime number. The prime factorization is
Explanation of Solution
Given information:
The number 45.
Calculation:
Consider the provided number 45.
Recall that factors of a number are those numbers which when multiplied together result in that number.
A number is said to be a prime number if the factors of the number are 1 and the number itself.
45 is written as product of 5 and 9 that is
Since, 9 is not prime number factorize 4 further,
No further factorization is possible since 3 and 5 are prime numbers.
Thus, the number 45 is not a prime number. The prime factorization is
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