Q: What are the prime factors of the number 124,607,241?

 A: 3, 11, 41, 379

Why are those the prime factors of the number 124,607,241?

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 124,607,241

124,607,241
Factor Arrows
341,535,747
Factor Arrows
313,845,249
Factor Arrows
34,615,083
Factor Arrows
31,538,361
Factor Arrows
3512,787
Factor Arrows
3170,929
Factor Arrows
1115,539
Factor Arrows
41379

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, 11, 41, 379

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 3 x 11 x 41 x 379 = 124,607,241

This can also be written as 36 x 111 x 411 x 3791 = 124,607,241

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


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