Q: What are the prime factors of the number 2,152,881?

 A: 3, 43, 5563

Why are those the prime factors of the number 2,152,881?

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 2,152,881

2,152,881
Factor Arrows
3717,627
Factor Arrows
3239,209
Factor Arrows
435,563

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:

3, 43, 5563

We can check our work by multiplying all of the prime factors together: 3 x 3 x 43 x 5,563 = 2,152,881

This can also be written as 32 x 431 x 5,5631 = 2,152,881

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


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