Q: What are the prime factors of the number 104,432,400?

 A: 2, 3, 5, 29009

Why are those the prime factors of the number 104,432,400?

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 104,432,400

104,432,400
Factor Arrows
252,216,200
Factor Arrows
226,108,100
Factor Arrows
213,054,050
Factor Arrows
26,527,025
Factor Arrows
32,175,675
Factor Arrows
3725,225
Factor Arrows
5145,045
Factor Arrows
529,009

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, 5, 29009

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 5 x 5 x 29,009 = 104,432,400

This can also be written as 24 x 32 x 52 x 29,0091 = 104,432,400

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


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