Q: What are the prime factors of the number 450,846?

 A: 2, 3, 11, 23

Why are those the prime factors of the number 450,846?

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 450,846

450,846
Factor Arrows
2225,423
Factor Arrows
375,141
Factor Arrows
325,047
Factor Arrows
38,349
Factor Arrows
32,783
Factor Arrows
11253
Factor Arrows
1123

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, 11, 23

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 11 x 11 x 23 = 450,846

This can also be written as 21 x 34 x 112 x 231 = 450,846

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


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