Q: What are the prime factors of the number 571,376?

 A: 2, 13, 41, 67

Why are those the prime factors of the number 571,376?

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 571,376

571,376
Factor Arrows
2285,688
Factor Arrows
2142,844
Factor Arrows
271,422
Factor Arrows
235,711
Factor Arrows
132,747
Factor Arrows
4167

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, 13, 41, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 13 x 41 x 67 = 571,376

This can also be written as 24 x 131 x 411 x 671 = 571,376

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


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