Q: What are the prime factors of the number 361,488?

 A: 2, 3, 17, 443

Why are those the prime factors of the number 361,488?

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 361,488

361,488
Factor Arrows
2180,744
Factor Arrows
290,372
Factor Arrows
245,186
Factor Arrows
222,593
Factor Arrows
37,531
Factor Arrows
17443

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, 17, 443

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 443 = 361,488

This can also be written as 24 x 31 x 171 x 4431 = 361,488

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


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