Q: What are the prime factors of the number 23,146,032?

 A: 2, 3, 7, 13, 757

Why are those the prime factors of the number 23,146,032?

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 23,146,032

23,146,032
Factor Arrows
211,573,016
Factor Arrows
25,786,508
Factor Arrows
22,893,254
Factor Arrows
21,446,627
Factor Arrows
3482,209
Factor Arrows
768,887
Factor Arrows
79,841
Factor Arrows
13757

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, 7, 13, 757

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 7 x 13 x 757 = 23,146,032

This can also be written as 24 x 31 x 72 x 131 x 7571 = 23,146,032

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


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