Q: What are the prime factors of the number 2,331,252?

 A: 2, 3, 7, 11, 29

Why are those the prime factors of the number 2,331,252?

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 2,331,252

2,331,252
Factor Arrows
21,165,626
Factor Arrows
2582,813
Factor Arrows
3194,271
Factor Arrows
364,757
Factor Arrows
79,251
Factor Arrows
11841
Factor Arrows
2929

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, 7, 11, 29

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 11 x 29 x 29 = 2,331,252

This can also be written as 22 x 32 x 71 x 111 x 292 = 2,331,252

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


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