Q: What are the prime factors of the number 124,640,335?

 A: 5, 23, 47123

Why are those the prime factors of the number 124,640,335?

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 124,640,335

124,640,335
Factor Arrows
524,928,067
Factor Arrows
231,083,829
Factor Arrows
2347,123

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:

5, 23, 47123

We can check our work by multiplying all of the prime factors together: 5 x 23 x 23 x 47,123 = 124,640,335

This can also be written as 51 x 232 x 47,1231 = 124,640,335

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


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