Q: What are the prime factors of the number 2,402,176?

 A: 2, 7, 383

Why are those the prime factors of the number 2,402,176?

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 2,402,176

2,402,176
Factor Arrows
21,201,088
Factor Arrows
2600,544
Factor Arrows
2300,272
Factor Arrows
2150,136
Factor Arrows
275,068
Factor Arrows
237,534
Factor Arrows
218,767
Factor Arrows
72,681
Factor Arrows
7383

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, 7, 383

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 7 x 7 x 383 = 2,402,176

This can also be written as 27 x 72 x 3831 = 2,402,176

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


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