Q: What are the prime factors of the number 285,224?

 A: 2, 101, 353

Why are those the prime factors of the number 285,224?

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 285,224

285,224
Factor Arrows
2142,612
Factor Arrows
271,306
Factor Arrows
235,653
Factor Arrows
101353

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, 101, 353

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 101 x 353 = 285,224

This can also be written as 23 x 1011 x 3531 = 285,224

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


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