Q: What are the prime factors of the number 203,045,130?

 A: 2, 3, 5, 250673

Why are those the prime factors of the number 203,045,130?

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 203,045,130

203,045,130
Factor Arrows
2101,522,565
Factor Arrows
333,840,855
Factor Arrows
311,280,285
Factor Arrows
33,760,095
Factor Arrows
31,253,365
Factor Arrows
5250,673

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, 5, 250673

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 5 x 250,673 = 203,045,130

This can also be written as 21 x 34 x 51 x 250,6731 = 203,045,130

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


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