Q: What are the prime factors of the number 124,737,705?

 A: 3, 5, 923983

Why are those the prime factors of the number 124,737,705?

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 124,737,705

124,737,705
Factor Arrows
341,579,235
Factor Arrows
313,859,745
Factor Arrows
34,619,915
Factor Arrows
5923,983

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:

3, 5, 923983

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 923,983 = 124,737,705

This can also be written as 33 x 51 x 923,9831 = 124,737,705

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


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