Q: What are the prime factors of the number 4,007,744?

 A: 2, 13, 4817

Why are those the prime factors of the number 4,007,744?

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 4,007,744

4,007,744
Factor Arrows
22,003,872
Factor Arrows
21,001,936
Factor Arrows
2500,968
Factor Arrows
2250,484
Factor Arrows
2125,242
Factor Arrows
262,621
Factor Arrows
134,817

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, 13, 4817

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 13 x 4,817 = 4,007,744

This can also be written as 26 x 131 x 4,8171 = 4,007,744

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


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