Q: What are the prime factors of the number 68,673,852?

 A: 2, 3, 13, 41, 1193

Why are those the prime factors of the number 68,673,852?

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 68,673,852

68,673,852
Factor Arrows
234,336,926
Factor Arrows
217,168,463
Factor Arrows
35,722,821
Factor Arrows
31,907,607
Factor Arrows
3635,869
Factor Arrows
1348,913
Factor Arrows
411,193

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, 13, 41, 1193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 13 x 41 x 1,193 = 68,673,852

This can also be written as 22 x 33 x 131 x 411 x 1,1931 = 68,673,852

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


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