Q: What are the prime factors of the number 407,868?

 A: 2, 3, 41, 829

Why are those the prime factors of the number 407,868?

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 407,868

407,868
Factor Arrows
2203,934
Factor Arrows
2101,967
Factor Arrows
333,989
Factor Arrows
41829

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, 41, 829

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 41 x 829 = 407,868

This can also be written as 22 x 31 x 411 x 8291 = 407,868

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


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