Q: What are the prime factors of the number 418,506?

 A: 2, 3, 11, 17, 373

Why are those the prime factors of the number 418,506?

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 418,506

418,506
Factor Arrows
2209,253
Factor Arrows
369,751
Factor Arrows
116,341
Factor Arrows
17373

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, 11, 17, 373

We can check our work by multiplying all of the prime factors together: 2 x 3 x 11 x 17 x 373 = 418,506

This can also be written as 21 x 31 x 111 x 171 x 3731 = 418,506

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


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