Q: What are the prime factors of the number 12,313,040?

 A: 2, 5, 153913

Why are those the prime factors of the number 12,313,040?

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 12,313,040

12,313,040
Factor Arrows
26,156,520
Factor Arrows
23,078,260
Factor Arrows
21,539,130
Factor Arrows
2769,565
Factor Arrows
5153,913

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, 153913

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 153,913 = 12,313,040

This can also be written as 24 x 51 x 153,9131 = 12,313,040

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


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