Q: What are the prime factors of the number 869,544?

 A: 2, 3, 13, 929

Why are those the prime factors of the number 869,544?

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 869,544

869,544
Factor Arrows
2434,772
Factor Arrows
2217,386
Factor Arrows
2108,693
Factor Arrows
336,231
Factor Arrows
312,077
Factor Arrows
13929

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, 13, 929

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 13 x 929 = 869,544

This can also be written as 23 x 32 x 131 x 9291 = 869,544

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


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