Q: What are the prime factors of the number 358,263?

 A: 3, 4423

Why are those the prime factors of the number 358,263?

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 358,263

358,263
Factor Arrows
3119,421
Factor Arrows
339,807
Factor Arrows
313,269
Factor Arrows
34,423

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, 4423

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 4,423 = 358,263

This can also be written as 34 x 4,4231 = 358,263

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


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