Q: What are the prime factors of the number 29,308,272?

 A: 2, 3, 7, 17, 733

Why are those the prime factors of the number 29,308,272?

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 29,308,272

29,308,272
Factor Arrows
214,654,136
Factor Arrows
27,327,068
Factor Arrows
23,663,534
Factor Arrows
21,831,767
Factor Arrows
3610,589
Factor Arrows
787,227
Factor Arrows
712,461
Factor Arrows
17733

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, 7, 17, 733

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 7 x 17 x 733 = 29,308,272

This can also be written as 24 x 31 x 72 x 171 x 7331 = 29,308,272

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


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