Q: What are the prime factors of the number 204,154,419?

 A: 3, 7, 37, 262747

Why are those the prime factors of the number 204,154,419?

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 204,154,419

204,154,419
Factor Arrows
368,051,473
Factor Arrows
79,721,639
Factor Arrows
37262,747

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, 37, 262747

We can check our work by multiplying all of the prime factors together: 3 x 7 x 37 x 262,747 = 204,154,419

This can also be written as 31 x 71 x 371 x 262,7471 = 204,154,419

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


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