Q: What are the prime factors of the number 203,010,150?

 A: 2, 3, 5, 7, 29, 59, 113

Why are those the prime factors of the number 203,010,150?

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 203,010,150

203,010,150
Factor Arrows
2101,505,075
Factor Arrows
333,835,025
Factor Arrows
56,767,005
Factor Arrows
51,353,401
Factor Arrows
7193,343
Factor Arrows
296,667
Factor Arrows
59113

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, 7, 29, 59, 113

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 5 x 7 x 29 x 59 x 113 = 203,010,150

This can also be written as 21 x 31 x 52 x 71 x 291 x 591 x 1131 = 203,010,150

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


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