Q: What are the prime factors of the number 10,571,776?

 A: 2, 29, 89

Why are those the prime factors of the number 10,571,776?

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 10,571,776

10,571,776
Factor Arrows
25,285,888
Factor Arrows
22,642,944
Factor Arrows
21,321,472
Factor Arrows
2660,736
Factor Arrows
2330,368
Factor Arrows
2165,184
Factor Arrows
282,592
Factor Arrows
241,296
Factor Arrows
220,648
Factor Arrows
210,324
Factor Arrows
25,162
Factor Arrows
22,581
Factor Arrows
2989

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, 29, 89

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 29 x 89 = 10,571,776

This can also be written as 212 x 291 x 891 = 10,571,776

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


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