Q: What are the prime factors of the number 245,394?

 A: 2, 3, 13633

Why are those the prime factors of the number 245,394?

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 245,394

245,394
Factor Arrows
2122,697
Factor Arrows
340,899
Factor Arrows
313,633

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, 13633

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13,633 = 245,394

This can also be written as 21 x 32 x 13,6331 = 245,394

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


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