Q: What are the prime factors of the number 205,065,654?

 A: 2, 3, 23, 367, 4049

Why are those the prime factors of the number 205,065,654?

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 205,065,654

205,065,654
Factor Arrows
2102,532,827
Factor Arrows
334,177,609
Factor Arrows
231,485,983
Factor Arrows
3674,049

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, 23, 367, 4049

We can check our work by multiplying all of the prime factors together: 2 x 3 x 23 x 367 x 4,049 = 205,065,654

This can also be written as 21 x 31 x 231 x 3671 x 4,0491 = 205,065,654

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


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