Q: What are the prime factors of the number 200,010,200?

 A: 2, 5, 13, 43, 1789

Why are those the prime factors of the number 200,010,200?

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 200,010,200

200,010,200
Factor Arrows
2100,005,100
Factor Arrows
250,002,550
Factor Arrows
225,001,275
Factor Arrows
55,000,255
Factor Arrows
51,000,051
Factor Arrows
1376,927
Factor Arrows
431,789

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, 13, 43, 1789

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 5 x 13 x 43 x 1,789 = 200,010,200

This can also be written as 23 x 52 x 131 x 431 x 1,7891 = 200,010,200

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


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