Q: What are the prime factors of the number 213,065,378?

 A: 2, 29, 227, 16183

Why are those the prime factors of the number 213,065,378?

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 213,065,378

213,065,378
Factor Arrows
2106,532,689
Factor Arrows
293,673,541
Factor Arrows
22716,183

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, 29, 227, 16183

We can check our work by multiplying all of the prime factors together: 2 x 29 x 227 x 16,183 = 213,065,378

This can also be written as 21 x 291 x 2271 x 16,1831 = 213,065,378

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


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