Q: What are the prime factors of the number 32,041,152?

 A: 2, 3, 11, 13, 389

Why are those the prime factors of the number 32,041,152?

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 32,041,152

32,041,152
Factor Arrows
216,020,576
Factor Arrows
28,010,288
Factor Arrows
24,005,144
Factor Arrows
22,002,572
Factor Arrows
21,001,286
Factor Arrows
2500,643
Factor Arrows
3166,881
Factor Arrows
355,627
Factor Arrows
115,057
Factor Arrows
13389

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, 13, 389

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 3 x 11 x 13 x 389 = 32,041,152

This can also be written as 26 x 32 x 111 x 131 x 3891 = 32,041,152

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


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