Factors of 391
Answer
Factors: 1, 17, 23, 391
Number of factors: 4
Factor pairs: (1, 391), (17, 23)
Prime Factorization
391 = 17 × 23
Properties
- This number is not prime
- This number is not a perfect square
- This is an odd number
- Sum of all factors: 432
Check Numbers from 1 to 391
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Understanding the Factors of 391
When we look at the number 391, we find that it has 4 factors in total. These are the numbers that divide evenly into 391 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: 17 × 23.
Factor Pairs
The factors of 391 can be arranged in pairs: (1, 391), (17, 23). Each pair multiplies to give 391.