Q: What are the prime factors of the number 24,613,146?

 A: 2, 3, 137, 1109

Why are those the prime factors of the number 24,613,146?

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 24,613,146

24,613,146
Factor Arrows
212,306,573
Factor Arrows
34,102,191
Factor Arrows
31,367,397
Factor Arrows
3455,799
Factor Arrows
3151,933
Factor Arrows
1371,109

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, 137, 1109

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 137 x 1,109 = 24,613,146

This can also be written as 21 x 34 x 1371 x 1,1091 = 24,613,146

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


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