Q: What are the prime factors of the number 20,462,052?

 A: 2, 3, 13, 29, 4523

Why are those the prime factors of the number 20,462,052?

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 20,462,052

20,462,052
Factor Arrows
210,231,026
Factor Arrows
25,115,513
Factor Arrows
31,705,171
Factor Arrows
13131,167
Factor Arrows
294,523

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, 13, 29, 4523

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 13 x 29 x 4,523 = 20,462,052

This can also be written as 22 x 31 x 131 x 291 x 4,5231 = 20,462,052

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


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