Q: What are the prime factors of the number 768,463,455?

 A: 3, 5, 19, 2696363

Why are those the prime factors of the number 768,463,455?

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 768,463,455

768,463,455
Factor Arrows
3256,154,485
Factor Arrows
551,230,897
Factor Arrows
192,696,363

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, 19, 2696363

We can check our work by multiplying all of the prime factors together: 3 x 5 x 19 x 2,696,363 = 768,463,455

This can also be written as 31 x 51 x 191 x 2,696,3631 = 768,463,455

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


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