Q: What are the prime factors of the number 29,509,568?

 A: 2, 11, 167, 251

Why are those the prime factors of the number 29,509,568?

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 29,509,568

29,509,568
Factor Arrows
214,754,784
Factor Arrows
27,377,392
Factor Arrows
23,688,696
Factor Arrows
21,844,348
Factor Arrows
2922,174
Factor Arrows
2461,087
Factor Arrows
1141,917
Factor Arrows
167251

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, 11, 167, 251

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 11 x 167 x 251 = 29,509,568

This can also be written as 26 x 111 x 1671 x 2511 = 29,509,568

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


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