Q: What are the prime factors of the number 124,004,358?

 A: 2, 3, 17, 5003

Why are those the prime factors of the number 124,004,358?

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 124,004,358

124,004,358
Factor Arrows
262,002,179
Factor Arrows
320,667,393
Factor Arrows
36,889,131
Factor Arrows
32,296,377
Factor Arrows
3765,459
Factor Arrows
3255,153
Factor Arrows
385,051
Factor Arrows
175,003

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, 17, 5003

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 17 x 5,003 = 124,004,358

This can also be written as 21 x 36 x 171 x 5,0031 = 124,004,358

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


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