Q: What are the prime factors of the number 125,001,216?

 A: 2, 3, 27127

Why are those the prime factors of the number 125,001,216?

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 125,001,216

125,001,216
Factor Arrows
262,500,608
Factor Arrows
231,250,304
Factor Arrows
215,625,152
Factor Arrows
27,812,576
Factor Arrows
23,906,288
Factor Arrows
21,953,144
Factor Arrows
2976,572
Factor Arrows
2488,286
Factor Arrows
2244,143
Factor Arrows
381,381
Factor Arrows
327,127

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, 27127

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 27,127 = 125,001,216

This can also be written as 29 x 32 x 27,1271 = 125,001,216

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


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