Q: What are the prime factors of the number 787,744?

 A: 2, 103, 239

Why are those the prime factors of the number 787,744?

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 787,744

787,744
Factor Arrows
2393,872
Factor Arrows
2196,936
Factor Arrows
298,468
Factor Arrows
249,234
Factor Arrows
224,617
Factor Arrows
103239

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, 103, 239

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 103 x 239 = 787,744

This can also be written as 25 x 1031 x 2391 = 787,744

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


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