Q: What are the prime factors of the number 18,765,536?

 A: 2, 41, 14303

Why are those the prime factors of the number 18,765,536?

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 18,765,536

18,765,536
Factor Arrows
29,382,768
Factor Arrows
24,691,384
Factor Arrows
22,345,692
Factor Arrows
21,172,846
Factor Arrows
2586,423
Factor Arrows
4114,303

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, 41, 14303

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 41 x 14,303 = 18,765,536

This can also be written as 25 x 411 x 14,3031 = 18,765,536

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


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