Q: What are the prime factors of the number 440,463,644?

 A: 2, 797, 138163

Why are those the prime factors of the number 440,463,644?

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 440,463,644

440,463,644
Factor Arrows
2220,231,822
Factor Arrows
2110,115,911
Factor Arrows
797138,163

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, 797, 138163

We can check our work by multiplying all of the prime factors together: 2 x 2 x 797 x 138,163 = 440,463,644

This can also be written as 22 x 7971 x 138,1631 = 440,463,644

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


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