Q: What are the prime factors of the number 440,440,110?

 A: 2, 3, 5, 11, 23, 29

Why are those the prime factors of the number 440,440,110?

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 440,440,110

440,440,110
Factor Arrows
2220,220,055
Factor Arrows
373,406,685
Factor Arrows
324,468,895
Factor Arrows
54,893,779
Factor Arrows
11444,889
Factor Arrows
2319,343
Factor Arrows
23841
Factor Arrows
2929

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, 11, 23, 29

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 5 x 11 x 23 x 23 x 29 x 29 = 440,440,110

This can also be written as 21 x 32 x 51 x 111 x 232 x 292 = 440,440,110

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


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