Q: What are the prime factors of the number 18,202,932?

 A: 2, 3, 11, 43, 1069

Why are those the prime factors of the number 18,202,932?

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 18,202,932

18,202,932
Factor Arrows
29,101,466
Factor Arrows
24,550,733
Factor Arrows
31,516,911
Factor Arrows
3505,637
Factor Arrows
1145,967
Factor Arrows
431,069

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, 11, 43, 1069

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 11 x 43 x 1,069 = 18,202,932

This can also be written as 22 x 32 x 111 x 431 x 1,0691 = 18,202,932

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


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