Q: What are the prime factors of the number 3,377,152?

 A: 2, 17, 97

Why are those the prime factors of the number 3,377,152?

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 3,377,152

3,377,152
Factor Arrows
21,688,576
Factor Arrows
2844,288
Factor Arrows
2422,144
Factor Arrows
2211,072
Factor Arrows
2105,536
Factor Arrows
252,768
Factor Arrows
226,384
Factor Arrows
213,192
Factor Arrows
26,596
Factor Arrows
23,298
Factor Arrows
21,649
Factor Arrows
1797

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, 17, 97

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 2 x 2 x 2 x 2 x 2 x 17 x 97 = 3,377,152

This can also be written as 211 x 171 x 971 = 3,377,152

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


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