Q: What are the prime factors of the number 203,244,544?

 A: 2, 41, 47, 103

Why are those the prime factors of the number 203,244,544?

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 203,244,544

203,244,544
Factor Arrows
2101,622,272
Factor Arrows
250,811,136
Factor Arrows
225,405,568
Factor Arrows
212,702,784
Factor Arrows
26,351,392
Factor Arrows
23,175,696
Factor Arrows
21,587,848
Factor Arrows
2793,924
Factor Arrows
2396,962
Factor Arrows
2198,481
Factor Arrows
414,841
Factor Arrows
47103

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, 47, 103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 41 x 47 x 103 = 203,244,544

This can also be written as 210 x 411 x 471 x 1031 = 203,244,544

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


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