Q: What are the prime factors of the number 444,325,040?

 A: 2, 5, 23, 113, 2137

Why are those the prime factors of the number 444,325,040?

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 444,325,040

444,325,040
Factor Arrows
2222,162,520
Factor Arrows
2111,081,260
Factor Arrows
255,540,630
Factor Arrows
227,770,315
Factor Arrows
55,554,063
Factor Arrows
23241,481
Factor Arrows
1132,137

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, 23, 113, 2137

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 23 x 113 x 2,137 = 444,325,040

This can also be written as 24 x 51 x 231 x 1131 x 2,1371 = 444,325,040

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


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