Q: What are the prime factors of the number 1,005,264?

 A: 2, 3, 13, 179

Why are those the prime factors of the number 1,005,264?

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 1,005,264

1,005,264
Factor Arrows
2502,632
Factor Arrows
2251,316
Factor Arrows
2125,658
Factor Arrows
262,829
Factor Arrows
320,943
Factor Arrows
36,981
Factor Arrows
32,327
Factor Arrows
13179

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, 179

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 13 x 179 = 1,005,264

This can also be written as 24 x 33 x 131 x 1791 = 1,005,264

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


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