Q: What are the prime factors of the number 15,143,965?

 A: 5, 31, 41, 2383

Why are those the prime factors of the number 15,143,965?

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 15,143,965

15,143,965
Factor Arrows
53,028,793
Factor Arrows
3197,703
Factor Arrows
412,383

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:

5, 31, 41, 2383

We can check our work by multiplying all of the prime factors together: 5 x 31 x 41 x 2,383 = 15,143,965

This can also be written as 51 x 311 x 411 x 2,3831 = 15,143,965

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


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