Q: What are the prime factors of the number 213,498?

 A: 2, 3, 29, 409

Why are those the prime factors of the number 213,498?

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 213,498

213,498
Factor Arrows
2106,749
Factor Arrows
335,583
Factor Arrows
311,861
Factor Arrows
29409

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, 29, 409

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 29 x 409 = 213,498

This can also be written as 21 x 32 x 291 x 4091 = 213,498

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


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