Q: What are the prime factors of the number 501,413,805?

 A: 3, 5, 41, 271769

Why are those the prime factors of the number 501,413,805?

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 501,413,805

501,413,805
Factor Arrows
3167,137,935
Factor Arrows
355,712,645
Factor Arrows
511,142,529
Factor Arrows
41271,769

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:

3, 5, 41, 271769

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 41 x 271,769 = 501,413,805

This can also be written as 32 x 51 x 411 x 271,7691 = 501,413,805

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


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