Q: What are the prime factors of the number 768,462,752?

 A: 2, 19, 23, 179, 307

Why are those the prime factors of the number 768,462,752?

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 768,462,752

768,462,752
Factor Arrows
2384,231,376
Factor Arrows
2192,115,688
Factor Arrows
296,057,844
Factor Arrows
248,028,922
Factor Arrows
224,014,461
Factor Arrows
191,263,919
Factor Arrows
2354,953
Factor Arrows
179307

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, 19, 23, 179, 307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 19 x 23 x 179 x 307 = 768,462,752

This can also be written as 25 x 191 x 231 x 1791 x 3071 = 768,462,752

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


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