Q: What are the prime factors of the number 29,626,272?

 A: 2, 3, 13, 41, 193

Why are those the prime factors of the number 29,626,272?

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 29,626,272

29,626,272
Factor Arrows
214,813,136
Factor Arrows
27,406,568
Factor Arrows
23,703,284
Factor Arrows
21,851,642
Factor Arrows
2925,821
Factor Arrows
3308,607
Factor Arrows
3102,869
Factor Arrows
137,913
Factor Arrows
41193

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, 13, 41, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 13 x 41 x 193 = 29,626,272

This can also be written as 25 x 32 x 131 x 411 x 1931 = 29,626,272

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


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