Q: What are the prime factors of the number 111,000,351?

 A: 3, 7, 11, 480521

Why are those the prime factors of the number 111,000,351?

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 111,000,351

111,000,351
Factor Arrows
337,000,117
Factor Arrows
75,285,731
Factor Arrows
11480,521

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:

3, 7, 11, 480521

We can check our work by multiplying all of the prime factors together: 3 x 7 x 11 x 480,521 = 111,000,351

This can also be written as 31 x 71 x 111 x 480,5211 = 111,000,351

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


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