Q: What are the prime factors of the number 243,300,210?

 A: 2, 3, 5, 23, 53, 6653

Why are those the prime factors of the number 243,300,210?

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 243,300,210

243,300,210
Factor Arrows
2121,650,105
Factor Arrows
340,550,035
Factor Arrows
58,110,007
Factor Arrows
23352,609
Factor Arrows
536,653

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, 5, 23, 53, 6653

We can check our work by multiplying all of the prime factors together: 2 x 3 x 5 x 23 x 53 x 6,653 = 243,300,210

This can also be written as 21 x 31 x 51 x 231 x 531 x 6,6531 = 243,300,210

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


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