Q: What are the prime factors of the number 989,344?

 A: 2, 43, 719

Why are those the prime factors of the number 989,344?

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 989,344

989,344
Factor Arrows
2494,672
Factor Arrows
2247,336
Factor Arrows
2123,668
Factor Arrows
261,834
Factor Arrows
230,917
Factor Arrows
43719

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, 43, 719

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 43 x 719 = 989,344

This can also be written as 25 x 431 x 7191 = 989,344

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


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