Q: What are the prime factors of the number 203,012,028?

 A: 2, 3, 17, 110573

Why are those the prime factors of the number 203,012,028?

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 203,012,028

203,012,028
Factor Arrows
2101,506,014
Factor Arrows
250,753,007
Factor Arrows
316,917,669
Factor Arrows
35,639,223
Factor Arrows
31,879,741
Factor Arrows
17110,573

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, 17, 110573

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 17 x 110,573 = 203,012,028

This can also be written as 22 x 33 x 171 x 110,5731 = 203,012,028

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


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