Q: What are the prime factors of the number 213,202,002?

 A: 2, 3, 13, 19, 263, 547

Why are those the prime factors of the number 213,202,002?

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 213,202,002

213,202,002
Factor Arrows
2106,601,001
Factor Arrows
335,533,667
Factor Arrows
132,733,359
Factor Arrows
19143,861
Factor Arrows
263547

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, 13, 19, 263, 547

We can check our work by multiplying all of the prime factors together: 2 x 3 x 13 x 19 x 263 x 547 = 213,202,002

This can also be written as 21 x 31 x 131 x 191 x 2631 x 5471 = 213,202,002

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


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