Q: What are the prime factors of the number 782,697?

 A: 3, 17, 103, 149

Why are those the prime factors of the number 782,697?

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 782,697

782,697
Factor Arrows
3260,899
Factor Arrows
1715,347
Factor Arrows
103149

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:

3, 17, 103, 149

We can check our work by multiplying all of the prime factors together: 3 x 17 x 103 x 149 = 782,697

This can also be written as 31 x 171 x 1031 x 1491 = 782,697

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


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