Q: What are the prime factors of the number 223,220,214?

 A: 2, 3, 7, 653, 2713

Why are those the prime factors of the number 223,220,214?

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 223,220,214

223,220,214
Factor Arrows
2111,610,107
Factor Arrows
337,203,369
Factor Arrows
312,401,123
Factor Arrows
71,771,589
Factor Arrows
6532,713

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, 7, 653, 2713

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 7 x 653 x 2,713 = 223,220,214

This can also be written as 21 x 32 x 71 x 6531 x 2,7131 = 223,220,214

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


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