Q: What are the prime factors of the number 571,152?

 A: 2, 3, 73, 163

Why are those the prime factors of the number 571,152?

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 571,152

571,152
Factor Arrows
2285,576
Factor Arrows
2142,788
Factor Arrows
271,394
Factor Arrows
235,697
Factor Arrows
311,899
Factor Arrows
73163

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, 3, 73, 163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 73 x 163 = 571,152

This can also be written as 24 x 31 x 731 x 1631 = 571,152

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


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