Q: What are the prime factors of the number 4,313,712?

 A: 2, 3, 13, 31, 223

Why are those the prime factors of the number 4,313,712?

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 4,313,712

4,313,712
Factor Arrows
22,156,856
Factor Arrows
21,078,428
Factor Arrows
2539,214
Factor Arrows
2269,607
Factor Arrows
389,869
Factor Arrows
136,913
Factor Arrows
31223

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, 13, 31, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 31 x 223 = 4,313,712

This can also be written as 24 x 31 x 131 x 311 x 2231 = 4,313,712

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


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