Q: What are the prime factors of the number 125,124,142?

 A: 2, 11, 13, 437497

Why are those the prime factors of the number 125,124,142?

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 125,124,142

125,124,142
Factor Arrows
262,562,071
Factor Arrows
115,687,461
Factor Arrows
13437,497

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, 11, 13, 437497

We can check our work by multiplying all of the prime factors together: 2 x 11 x 13 x 437,497 = 125,124,142

This can also be written as 21 x 111 x 131 x 437,4971 = 125,124,142

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


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