Q: What are the prime factors of the number 1,265,004?

 A: 2, 3, 13, 17, 53

Why are those the prime factors of the number 1,265,004?

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 1,265,004

1,265,004
Factor Arrows
2632,502
Factor Arrows
2316,251
Factor Arrows
3105,417
Factor Arrows
335,139
Factor Arrows
311,713
Factor Arrows
13901
Factor Arrows
1753

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, 13, 17, 53

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 13 x 17 x 53 = 1,265,004

This can also be written as 22 x 33 x 131 x 171 x 531 = 1,265,004

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


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