Q: What are the prime factors of the number 5,354,440?

 A: 2, 5, 7, 13, 1471

Why are those the prime factors of the number 5,354,440?

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 5,354,440

5,354,440
Factor Arrows
22,677,220
Factor Arrows
21,338,610
Factor Arrows
2669,305
Factor Arrows
5133,861
Factor Arrows
719,123
Factor Arrows
131,471

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, 13, 1471

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 13 x 1,471 = 5,354,440

This can also be written as 23 x 51 x 71 x 131 x 1,4711 = 5,354,440

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


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