Q: What are the prime factors of the number 419,577?

 A: 3, 17, 19, 433

Why are those the prime factors of the number 419,577?

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 419,577

419,577
Factor Arrows
3139,859
Factor Arrows
178,227
Factor Arrows
19433

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, 17, 19, 433

We can check our work by multiplying all of the prime factors together: 3 x 17 x 19 x 433 = 419,577

This can also be written as 31 x 171 x 191 x 4331 = 419,577

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


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