Q: What are the prime factors of the number 481,408?

 A: 2, 3761

Why are those the prime factors of the number 481,408?

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 481,408

481,408
Factor Arrows
2240,704
Factor Arrows
2120,352
Factor Arrows
260,176
Factor Arrows
230,088
Factor Arrows
215,044
Factor Arrows
27,522
Factor Arrows
23,761

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, 3761

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3,761 = 481,408

This can also be written as 27 x 3,7611 = 481,408

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


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