Q: What are the prime factors of the number 3,881,088?

 A: 2, 3, 1123

Why are those the prime factors of the number 3,881,088?

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 3,881,088

3,881,088
Factor Arrows
21,940,544
Factor Arrows
2970,272
Factor Arrows
2485,136
Factor Arrows
2242,568
Factor Arrows
2121,284
Factor Arrows
260,642
Factor Arrows
230,321
Factor Arrows
310,107
Factor Arrows
33,369
Factor Arrows
31,123

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, 1123

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 3 x 3 x 3 x 1,123 = 3,881,088

This can also be written as 27 x 33 x 1,1231 = 3,881,088

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


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