Q: What are the prime factors of the number 13,159,552?

 A: 2, 7, 19, 773

Why are those the prime factors of the number 13,159,552?

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 13,159,552

13,159,552
Factor Arrows
26,579,776
Factor Arrows
23,289,888
Factor Arrows
21,644,944
Factor Arrows
2822,472
Factor Arrows
2411,236
Factor Arrows
2205,618
Factor Arrows
2102,809
Factor Arrows
714,687
Factor Arrows
19773

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, 7, 19, 773

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 7 x 19 x 773 = 13,159,552

This can also be written as 27 x 71 x 191 x 7731 = 13,159,552

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


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