Q: What are the prime factors of the number 264,406,205?

 A: 5, 7, 109, 9901

Why are those the prime factors of the number 264,406,205?

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 264,406,205

264,406,205
Factor Arrows
552,881,241
Factor Arrows
77,554,463
Factor Arrows
71,079,209
Factor Arrows
1099,901

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:

5, 7, 109, 9901

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 109 x 9,901 = 264,406,205

This can also be written as 51 x 72 x 1091 x 9,9011 = 264,406,205

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


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