Q: What are the prime factors of the number 29,365,945?

 A: 5, 7, 17123

Why are those the prime factors of the number 29,365,945?

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 29,365,945

29,365,945
Factor Arrows
55,873,189
Factor Arrows
7839,027
Factor Arrows
7119,861
Factor Arrows
717,123

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:

5, 7, 17123

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 7 x 17,123 = 29,365,945

This can also be written as 51 x 73 x 17,1231 = 29,365,945

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


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