Q: What are the prime factors of the number 3,011,712?

 A: 2, 3, 11, 23, 31

Why are those the prime factors of the number 3,011,712?

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 3,011,712

3,011,712
Factor Arrows
21,505,856
Factor Arrows
2752,928
Factor Arrows
2376,464
Factor Arrows
2188,232
Factor Arrows
294,116
Factor Arrows
247,058
Factor Arrows
223,529
Factor Arrows
37,843
Factor Arrows
11713
Factor Arrows
2331

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, 11, 23, 31

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 11 x 23 x 31 = 3,011,712

This can also be written as 27 x 31 x 111 x 231 x 311 = 3,011,712

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


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