Q: What are the prime factors of the number 4,405,776?

 A: 2, 3, 263, 349

Why are those the prime factors of the number 4,405,776?

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 4,405,776

4,405,776
Factor Arrows
22,202,888
Factor Arrows
21,101,444
Factor Arrows
2550,722
Factor Arrows
2275,361
Factor Arrows
391,787
Factor Arrows
263349

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, 263, 349

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 263 x 349 = 4,405,776

This can also be written as 24 x 31 x 2631 x 3491 = 4,405,776

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


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