Q: What are the prime factors of the number 7,503,408?

 A: 2, 3, 11, 1579

Why are those the prime factors of the number 7,503,408?

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 7,503,408

7,503,408
Factor Arrows
23,751,704
Factor Arrows
21,875,852
Factor Arrows
2937,926
Factor Arrows
2468,963
Factor Arrows
3156,321
Factor Arrows
352,107
Factor Arrows
317,369
Factor Arrows
111,579

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, 11, 1579

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 11 x 1,579 = 7,503,408

This can also be written as 24 x 33 x 111 x 1,5791 = 7,503,408

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


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