Q: What are the prime factors of the number 124,154,304?

 A: 2, 3, 646637

Why are those the prime factors of the number 124,154,304?

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 124,154,304

124,154,304
Factor Arrows
262,077,152
Factor Arrows
231,038,576
Factor Arrows
215,519,288
Factor Arrows
27,759,644
Factor Arrows
23,879,822
Factor Arrows
21,939,911
Factor Arrows
3646,637

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, 646637

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 646,637 = 124,154,304

This can also be written as 26 x 31 x 646,6371 = 124,154,304

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


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