Q: What are the prime factors of the number 5,786,120?

 A: 2, 5, 17, 67, 127

Why are those the prime factors of the number 5,786,120?

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 5,786,120

5,786,120
Factor Arrows
22,893,060
Factor Arrows
21,446,530
Factor Arrows
2723,265
Factor Arrows
5144,653
Factor Arrows
178,509
Factor Arrows
67127

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, 67, 127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 17 x 67 x 127 = 5,786,120

This can also be written as 23 x 51 x 171 x 671 x 1271 = 5,786,120

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


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