Q: What are the prime factors of the number 124,343,208?

 A: 2, 3, 11, 59, 887

Why are those the prime factors of the number 124,343,208?

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 124,343,208

124,343,208
Factor Arrows
262,171,604
Factor Arrows
231,085,802
Factor Arrows
215,542,901
Factor Arrows
35,180,967
Factor Arrows
31,726,989
Factor Arrows
3575,663
Factor Arrows
1152,333
Factor Arrows
59887

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, 11, 59, 887

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 11 x 59 x 887 = 124,343,208

This can also be written as 23 x 33 x 111 x 591 x 8871 = 124,343,208

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


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