Q: What are the prime factors of the number 2,832,408?

 A: 2, 3, 31, 47

Why are those the prime factors of the number 2,832,408?

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 2,832,408

2,832,408
Factor Arrows
21,416,204
Factor Arrows
2708,102
Factor Arrows
2354,051
Factor Arrows
3118,017
Factor Arrows
339,339
Factor Arrows
313,113
Factor Arrows
34,371
Factor Arrows
31,457
Factor Arrows
3147

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, 31, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 31 x 47 = 2,832,408

This can also be written as 23 x 35 x 311 x 471 = 2,832,408

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


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