Q: What are the prime factors of the number 1,031,744?

 A: 2, 7, 47

Why are those the prime factors of the number 1,031,744?

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 1,031,744

1,031,744
Factor Arrows
2515,872
Factor Arrows
2257,936
Factor Arrows
2128,968
Factor Arrows
264,484
Factor Arrows
232,242
Factor Arrows
216,121
Factor Arrows
72,303
Factor Arrows
7329
Factor Arrows
747

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, 7, 47

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 7 x 7 x 7 x 47 = 1,031,744

This can also be written as 26 x 73 x 471 = 1,031,744

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


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