Q: What are the prime factors of the number 125,354,000?

 A: 2, 5, 233, 269

Why are those the prime factors of the number 125,354,000?

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 125,354,000

125,354,000
Factor Arrows
262,677,000
Factor Arrows
231,338,500
Factor Arrows
215,669,250
Factor Arrows
27,834,625
Factor Arrows
51,566,925
Factor Arrows
5313,385
Factor Arrows
562,677
Factor Arrows
233269

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, 5, 233, 269

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 5 x 5 x 5 x 233 x 269 = 125,354,000

This can also be written as 24 x 53 x 2331 x 2691 = 125,354,000

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


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