Q: What are the prime factors of the number 1,069,572?

 A: 2, 3, 7, 17, 107

Why are those the prime factors of the number 1,069,572?

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 1,069,572

1,069,572
Factor Arrows
2534,786
Factor Arrows
2267,393
Factor Arrows
389,131
Factor Arrows
712,733
Factor Arrows
71,819
Factor Arrows
17107

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, 17, 107

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 17 x 107 = 1,069,572

This can also be written as 22 x 31 x 72 x 171 x 1071 = 1,069,572

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


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