Q: What are the prime factors of the number 889,542?

 A: 2, 3, 17, 19

Why are those the prime factors of the number 889,542?

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 889,542

889,542
Factor Arrows
2444,771
Factor Arrows
3148,257
Factor Arrows
349,419
Factor Arrows
316,473
Factor Arrows
35,491
Factor Arrows
17323
Factor Arrows
1719

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, 17, 19

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 17 x 17 x 19 = 889,542

This can also be written as 21 x 34 x 172 x 191 = 889,542

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


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