Q: What are the prime factors of the number 4,118,080?

 A: 2, 5, 17, 757

Why are those the prime factors of the number 4,118,080?

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 4,118,080

4,118,080
Factor Arrows
22,059,040
Factor Arrows
21,029,520
Factor Arrows
2514,760
Factor Arrows
2257,380
Factor Arrows
2128,690
Factor Arrows
264,345
Factor Arrows
512,869
Factor Arrows
17757

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, 17, 757

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 5 x 17 x 757 = 4,118,080

This can also be written as 26 x 51 x 171 x 7571 = 4,118,080

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


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