Q: What are the prime factors of the number 835,680?

 A: 2, 3, 5, 1741

Why are those the prime factors of the number 835,680?

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 835,680

835,680
Factor Arrows
2417,840
Factor Arrows
2208,920
Factor Arrows
2104,460
Factor Arrows
252,230
Factor Arrows
226,115
Factor Arrows
38,705
Factor Arrows
51,741

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, 3, 5, 1741

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 1,741 = 835,680

This can also be written as 25 x 31 x 51 x 1,7411 = 835,680

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


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