Q: What are the prime factors of the number 13,250,304?

 A: 2, 3, 71

Why are those the prime factors of the number 13,250,304?

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 13,250,304

13,250,304
Factor Arrows
26,625,152
Factor Arrows
23,312,576
Factor Arrows
21,656,288
Factor Arrows
2828,144
Factor Arrows
2414,072
Factor Arrows
2207,036
Factor Arrows
2103,518
Factor Arrows
251,759
Factor Arrows
317,253
Factor Arrows
35,751
Factor Arrows
31,917
Factor Arrows
3639
Factor Arrows
3213
Factor Arrows
371

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, 71

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 3 x 71 = 13,250,304

This can also be written as 28 x 36 x 711 = 13,250,304

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


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