Q: What are the prime factors of the number 471,960?

 A: 2, 3, 5, 19, 23

Why are those the prime factors of the number 471,960?

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 471,960

471,960
Factor Arrows
2235,980
Factor Arrows
2117,990
Factor Arrows
258,995
Factor Arrows
319,665
Factor Arrows
36,555
Factor Arrows
32,185
Factor Arrows
5437
Factor Arrows
1923

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, 5, 19, 23

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 5 x 19 x 23 = 471,960

This can also be written as 23 x 33 x 51 x 191 x 231 = 471,960

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


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