Q: What are the prime factors of the number 438,760?

 A: 2, 5, 7, 1567

Why are those the prime factors of the number 438,760?

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 438,760

438,760
Factor Arrows
2219,380
Factor Arrows
2109,690
Factor Arrows
254,845
Factor Arrows
510,969
Factor Arrows
71,567

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, 7, 1567

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 1,567 = 438,760

This can also be written as 23 x 51 x 71 x 1,5671 = 438,760

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


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