Q: What are the prime factors of the number 435,831?

 A: 3, 11, 47, 281

Why are those the prime factors of the number 435,831?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 435,831

435,831
Factor Arrows
3145,277
Factor Arrows
1113,207
Factor Arrows
47281

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 11, 47, 281

We can check our work by multiplying all of the prime factors together: 3 x 11 x 47 x 281 = 435,831

This can also be written as 31 x 111 x 471 x 2811 = 435,831

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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