Q: What are the prime factors of the number 9,872,192?

 A: 2, 11, 37, 379

Why are those the prime factors of the number 9,872,192?

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 9,872,192

9,872,192
Factor Arrows
24,936,096
Factor Arrows
22,468,048
Factor Arrows
21,234,024
Factor Arrows
2617,012
Factor Arrows
2308,506
Factor Arrows
2154,253
Factor Arrows
1114,023
Factor Arrows
37379

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, 11, 37, 379

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 11 x 37 x 379 = 9,872,192

This can also be written as 26 x 111 x 371 x 3791 = 9,872,192

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


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