Q: What are the prime factors of the number 213,102,414?

 A: 2, 3, 7, 187921

Why are those the prime factors of the number 213,102,414?

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 213,102,414

213,102,414
Factor Arrows
2106,551,207
Factor Arrows
335,517,069
Factor Arrows
311,839,023
Factor Arrows
33,946,341
Factor Arrows
31,315,447
Factor Arrows
7187,921

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, 7, 187921

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 7 x 187,921 = 213,102,414

This can also be written as 21 x 34 x 71 x 187,9211 = 213,102,414

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


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