Q: What are the prime factors of the number 193,510,944?

 A: 2, 3, 11, 617

Why are those the prime factors of the number 193,510,944?

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 193,510,944

193,510,944
Factor Arrows
296,755,472
Factor Arrows
248,377,736
Factor Arrows
224,188,868
Factor Arrows
212,094,434
Factor Arrows
26,047,217
Factor Arrows
32,015,739
Factor Arrows
3671,913
Factor Arrows
3223,971
Factor Arrows
374,657
Factor Arrows
116,787
Factor Arrows
11617

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, 11, 617

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 3 x 3 x 3 x 11 x 11 x 617 = 193,510,944

This can also be written as 25 x 34 x 112 x 6171 = 193,510,944

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


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