Q: What are the prime factors of the number 17,454,080?

 A: 2, 5, 7, 487

Why are those the prime factors of the number 17,454,080?

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 17,454,080

17,454,080
Factor Arrows
28,727,040
Factor Arrows
24,363,520
Factor Arrows
22,181,760
Factor Arrows
21,090,880
Factor Arrows
2545,440
Factor Arrows
2272,720
Factor Arrows
2136,360
Factor Arrows
268,180
Factor Arrows
234,090
Factor Arrows
217,045
Factor Arrows
53,409
Factor Arrows
7487

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, 487

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 2 x 2 x 2 x 5 x 7 x 487 = 17,454,080

This can also be written as 210 x 51 x 71 x 4871 = 17,454,080

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


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