Q: What are the prime factors of the number 5,454,624?

 A: 2, 3, 7, 8117

Why are those the prime factors of the number 5,454,624?

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 5,454,624

5,454,624
Factor Arrows
22,727,312
Factor Arrows
21,363,656
Factor Arrows
2681,828
Factor Arrows
2340,914
Factor Arrows
2170,457
Factor Arrows
356,819
Factor Arrows
78,117

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, 7, 8117

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 8,117 = 5,454,624

This can also be written as 25 x 31 x 71 x 8,1171 = 5,454,624

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


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