Q: What are the prime factors of the number 444,080?

 A: 2, 5, 7, 13, 61

Why are those the prime factors of the number 444,080?

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 444,080

444,080
Factor Arrows
2222,040
Factor Arrows
2111,020
Factor Arrows
255,510
Factor Arrows
227,755
Factor Arrows
55,551
Factor Arrows
7793
Factor Arrows
1361

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, 5, 7, 13, 61

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 7 x 13 x 61 = 444,080

This can also be written as 24 x 51 x 71 x 131 x 611 = 444,080

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


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