Q: What are the prime factors of the number 29,689,225?

 A: 5, 17, 69857

Why are those the prime factors of the number 29,689,225?

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 29,689,225

29,689,225
Factor Arrows
55,937,845
Factor Arrows
51,187,569
Factor Arrows
1769,857

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, 17, 69857

We can check our work by multiplying all of the prime factors together: 5 x 5 x 17 x 69,857 = 29,689,225

This can also be written as 52 x 171 x 69,8571 = 29,689,225

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


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