What are all the factors, the prime factorization, and factor pairs of 405?

To find the factors of 405, divide 405 by each number starting with 1 and working up to 405

Now let us find how to calculate all the factors of 405:
3
= 135
5
= 81
9
= 45
15
= 27
As you can see, the factors of 405 are:
1, 3, 5, 9, 15, 27, 45, 81, 135, 405

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