Q: What are the prime factors of the number 4,516,480?

 A: 2, 5, 7057

Why are those the prime factors of the number 4,516,480?

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 4,516,480

4,516,480
Factor Arrows
22,258,240
Factor Arrows
21,129,120
Factor Arrows
2564,560
Factor Arrows
2282,280
Factor Arrows
2141,140
Factor Arrows
270,570
Factor Arrows
235,285
Factor Arrows
57,057

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, 7057

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 5 x 7,057 = 4,516,480

This can also be written as 27 x 51 x 7,0571 = 4,516,480

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


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