Q: What are the prime factors of the number 210,344,202?

 A: 2, 3, 89, 1621

Why are those the prime factors of the number 210,344,202?

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 210,344,202

210,344,202
Factor Arrows
2105,172,101
Factor Arrows
335,057,367
Factor Arrows
311,685,789
Factor Arrows
33,895,263
Factor Arrows
31,298,421
Factor Arrows
3432,807
Factor Arrows
3144,269
Factor Arrows
891,621

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, 89, 1621

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 89 x 1,621 = 210,344,202

This can also be written as 21 x 36 x 891 x 1,6211 = 210,344,202

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


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