Q: What are the prime factors of the number 4,703,440?

 A: 2, 5, 7, 37, 227

Why are those the prime factors of the number 4,703,440?

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 4,703,440

4,703,440
Factor Arrows
22,351,720
Factor Arrows
21,175,860
Factor Arrows
2587,930
Factor Arrows
2293,965
Factor Arrows
558,793
Factor Arrows
78,399
Factor Arrows
37227

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, 37, 227

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 37 x 227 = 4,703,440

This can also be written as 24 x 51 x 71 x 371 x 2271 = 4,703,440

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


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