Q: What are the prime factors of the number 769,900?

 A: 2, 5, 7699

Why are those the prime factors of the number 769,900?

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 769,900

769,900
Factor Arrows
2384,950
Factor Arrows
2192,475
Factor Arrows
538,495
Factor Arrows
57,699

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, 5, 7699

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 7,699 = 769,900

This can also be written as 22 x 52 x 7,6991 = 769,900

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


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