Q: What are the prime factors of the number 3,902,124?

 A: 2, 3, 29, 11213

Why are those the prime factors of the number 3,902,124?

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 3,902,124

3,902,124
Factor Arrows
21,951,062
Factor Arrows
2975,531
Factor Arrows
3325,177
Factor Arrows
2911,213

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, 29, 11213

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 29 x 11,213 = 3,902,124

This can also be written as 22 x 31 x 291 x 11,2131 = 3,902,124

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


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