Q: What are the prime factors of the number 830,960?

 A: 2, 5, 13, 17, 47

Why are those the prime factors of the number 830,960?

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 830,960

830,960
Factor Arrows
2415,480
Factor Arrows
2207,740
Factor Arrows
2103,870
Factor Arrows
251,935
Factor Arrows
510,387
Factor Arrows
13799
Factor Arrows
1747

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:

2, 5, 13, 17, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 13 x 17 x 47 = 830,960

This can also be written as 24 x 51 x 131 x 171 x 471 = 830,960

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


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