Q: What are the prime factors of the number 769,398?

 A: 2, 3, 7, 2617

Why are those the prime factors of the number 769,398?

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 769,398

769,398
Factor Arrows
2384,699
Factor Arrows
3128,233
Factor Arrows
718,319
Factor Arrows
72,617

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, 7, 2617

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 7 x 2,617 = 769,398

This can also be written as 21 x 31 x 72 x 2,6171 = 769,398

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


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