Q: What are the prime factors of the number 193,451,712?

 A: 2, 3, 23, 71, 617

Why are those the prime factors of the number 193,451,712?

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 193,451,712

193,451,712
Factor Arrows
296,725,856
Factor Arrows
248,362,928
Factor Arrows
224,181,464
Factor Arrows
212,090,732
Factor Arrows
26,045,366
Factor Arrows
23,022,683
Factor Arrows
31,007,561
Factor Arrows
2343,807
Factor Arrows
71617

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, 23, 71, 617

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 23 x 71 x 617 = 193,451,712

This can also be written as 26 x 31 x 231 x 711 x 6171 = 193,451,712

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


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