Q: What are the prime factors of the number 19,580,416?

 A: 2, 167, 229

Why are those the prime factors of the number 19,580,416?

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 19,580,416

19,580,416
Factor Arrows
29,790,208
Factor Arrows
24,895,104
Factor Arrows
22,447,552
Factor Arrows
21,223,776
Factor Arrows
2611,888
Factor Arrows
2305,944
Factor Arrows
2152,972
Factor Arrows
276,486
Factor Arrows
238,243
Factor Arrows
167229

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, 167, 229

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 167 x 229 = 19,580,416

This can also be written as 29 x 1671 x 2291 = 19,580,416

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


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