Q: What are the prime factors of the number 29,434,368?

 A: 2, 3, 19163

Why are those the prime factors of the number 29,434,368?

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 29,434,368

29,434,368
Factor Arrows
214,717,184
Factor Arrows
27,358,592
Factor Arrows
23,679,296
Factor Arrows
21,839,648
Factor Arrows
2919,824
Factor Arrows
2459,912
Factor Arrows
2229,956
Factor Arrows
2114,978
Factor Arrows
257,489
Factor Arrows
319,163

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, 19163

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 3 x 19,163 = 29,434,368

This can also be written as 29 x 31 x 19,1631 = 29,434,368

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


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