Q: What are the prime factors of the number 125,044,700?

 A: 2, 5, 11, 19, 31, 193

Why are those the prime factors of the number 125,044,700?

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 125,044,700

125,044,700
Factor Arrows
262,522,350
Factor Arrows
231,261,175
Factor Arrows
56,252,235
Factor Arrows
51,250,447
Factor Arrows
11113,677
Factor Arrows
195,983
Factor Arrows
31193

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, 11, 19, 31, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 11 x 19 x 31 x 193 = 125,044,700

This can also be written as 22 x 52 x 111 x 191 x 311 x 1931 = 125,044,700

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


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