Q: What are the prime factors of the number 446,620,515?

 A: 3, 5, 11, 17, 159223

Why are those the prime factors of the number 446,620,515?

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 446,620,515

446,620,515
Factor Arrows
3148,873,505
Factor Arrows
529,774,701
Factor Arrows
112,706,791
Factor Arrows
17159,223

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, 5, 11, 17, 159223

We can check our work by multiplying all of the prime factors together: 3 x 5 x 11 x 17 x 159,223 = 446,620,515

This can also be written as 31 x 51 x 111 x 171 x 159,2231 = 446,620,515

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


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