Q: What are the prime factors of the number 809,886?

 A: 2, 3, 7, 11, 1753

Why are those the prime factors of the number 809,886?

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 809,886

809,886
Factor Arrows
2404,943
Factor Arrows
3134,981
Factor Arrows
719,283
Factor Arrows
111,753

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, 1753

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 11 x 1,753 = 809,886

This can also be written as 21 x 31 x 71 x 111 x 1,7531 = 809,886

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


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