Q: What are the prime factors of the number 13,574,960?

 A: 2, 5, 7, 3463

Why are those the prime factors of the number 13,574,960?

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 13,574,960

13,574,960
Factor Arrows
26,787,480
Factor Arrows
23,393,740
Factor Arrows
21,696,870
Factor Arrows
2848,435
Factor Arrows
5169,687
Factor Arrows
724,241
Factor Arrows
73,463

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, 3463

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 7 x 3,463 = 13,574,960

This can also be written as 24 x 51 x 72 x 3,4631 = 13,574,960

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


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