Q: What are the prime factors of the number 223,021,113?

 A: 3, 7, 17, 624709

Why are those the prime factors of the number 223,021,113?

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 223,021,113

223,021,113
Factor Arrows
374,340,371
Factor Arrows
710,620,053
Factor Arrows
17624,709

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, 7, 17, 624709

We can check our work by multiplying all of the prime factors together: 3 x 7 x 17 x 624,709 = 223,021,113

This can also be written as 31 x 71 x 171 x 624,7091 = 223,021,113

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


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