Factors of 405
Answer
Factors: 1, 3, 5, 9, 15, 27, 45, 81, 135, 405
Number of factors: 10
Factor pairs: (1, 405), (3, 135), (5, 81), (9, 45), (15, 27)
Prime Factorization
405 = 34 × 5
Properties
- This number is not prime
- This number is not a perfect square
- This is an odd number
- Sum of all factors: 726
Check Numbers from 1 to 405
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Understanding the Factors of 405
When we look at the number 405, we find that it has 10 factors in total. These are the numbers that divide evenly into 405 with no remainder.
This number is composite, meaning it has more than two factors. It can be written as the product of its prime factors: 34 × 5.
Factor Pairs
The factors of 405 can be arranged in pairs: (1, 405), (3, 135), (5, 81), (9, 45), (15, 27). Each pair multiplies to give 405.