Q: What are the prime factors of the number 213,361,326?

 A: 2, 3, 1031, 11497

Why are those the prime factors of the number 213,361,326?

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 213,361,326

213,361,326
Factor Arrows
2106,680,663
Factor Arrows
335,560,221
Factor Arrows
311,853,407
Factor Arrows
1,03111,497

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, 1031, 11497

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 1,031 x 11,497 = 213,361,326

This can also be written as 21 x 32 x 1,0311 x 11,4971 = 213,361,326

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


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