Q: What are the prime factors of the number 200,145,050?

 A: 2, 5, 7, 19, 30097

Why are those the prime factors of the number 200,145,050?

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 200,145,050

200,145,050
Factor Arrows
2100,072,525
Factor Arrows
520,014,505
Factor Arrows
54,002,901
Factor Arrows
7571,843
Factor Arrows
1930,097

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, 5, 7, 19, 30097

We can check our work by multiplying all of the prime factors together: 2 x 5 x 5 x 7 x 19 x 30,097 = 200,145,050

This can also be written as 21 x 52 x 71 x 191 x 30,0971 = 200,145,050

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


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