Q: What are the prime factors of the number 213,406,068?

 A: 2, 3, 59, 383, 787

Why are those the prime factors of the number 213,406,068?

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 213,406,068

213,406,068
Factor Arrows
2106,703,034
Factor Arrows
253,351,517
Factor Arrows
317,783,839
Factor Arrows
59301,421
Factor Arrows
383787

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, 59, 383, 787

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 59 x 383 x 787 = 213,406,068

This can also be written as 22 x 31 x 591 x 3831 x 7871 = 213,406,068

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


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