Q: What are the prime factors of the number 17,143,040?

 A: 2, 5, 59, 227

Why are those the prime factors of the number 17,143,040?

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 17,143,040

17,143,040
Factor Arrows
28,571,520
Factor Arrows
24,285,760
Factor Arrows
22,142,880
Factor Arrows
21,071,440
Factor Arrows
2535,720
Factor Arrows
2267,860
Factor Arrows
2133,930
Factor Arrows
266,965
Factor Arrows
513,393
Factor Arrows
59227

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, 59, 227

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 5 x 59 x 227 = 17,143,040

This can also be written as 28 x 51 x 591 x 2271 = 17,143,040

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


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