Q: What are the prime factors of the number 213,462,624?

 A: 2, 3, 173, 12853

Why are those the prime factors of the number 213,462,624?

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 213,462,624

213,462,624
Factor Arrows
2106,731,312
Factor Arrows
253,365,656
Factor Arrows
226,682,828
Factor Arrows
213,341,414
Factor Arrows
26,670,707
Factor Arrows
32,223,569
Factor Arrows
17312,853

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, 173, 12853

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 173 x 12,853 = 213,462,624

This can also be written as 25 x 31 x 1731 x 12,8531 = 213,462,624

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


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