Q: What are the prime factors of the number 869,744?

 A: 2, 19, 2861

Why are those the prime factors of the number 869,744?

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 869,744

869,744
Factor Arrows
2434,872
Factor Arrows
2217,436
Factor Arrows
2108,718
Factor Arrows
254,359
Factor Arrows
192,861

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, 19, 2861

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 2,861 = 869,744

This can also be written as 24 x 191 x 2,8611 = 869,744

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


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