Q: What are the prime factors of the number 23,374,656?

 A: 2, 3, 167

Why are those the prime factors of the number 23,374,656?

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 23,374,656

23,374,656
Factor Arrows
211,687,328
Factor Arrows
25,843,664
Factor Arrows
22,921,832
Factor Arrows
21,460,916
Factor Arrows
2730,458
Factor Arrows
2365,229
Factor Arrows
3121,743
Factor Arrows
340,581
Factor Arrows
313,527
Factor Arrows
34,509
Factor Arrows
31,503
Factor Arrows
3501
Factor Arrows
3167

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, 167

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 3 x 3 x 3 x 3 x 3 x 3 x 167 = 23,374,656

This can also be written as 26 x 37 x 1671 = 23,374,656

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


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