Q: What are the prime factors of the number 180,344,580?

 A: 2, 3, 5, 13, 19, 43, 283

Why are those the prime factors of the number 180,344,580?

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 180,344,580

180,344,580
Factor Arrows
290,172,290
Factor Arrows
245,086,145
Factor Arrows
315,028,715
Factor Arrows
53,005,743
Factor Arrows
13231,211
Factor Arrows
1912,169
Factor Arrows
43283

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, 13, 19, 43, 283

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 13 x 19 x 43 x 283 = 180,344,580

This can also be written as 22 x 31 x 51 x 131 x 191 x 431 x 2831 = 180,344,580

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


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