Q: What are the prime factors of the number 776,163,152?

 A: 2, 17, 23, 124067

Why are those the prime factors of the number 776,163,152?

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 776,163,152

776,163,152
Factor Arrows
2388,081,576
Factor Arrows
2194,040,788
Factor Arrows
297,020,394
Factor Arrows
248,510,197
Factor Arrows
172,853,541
Factor Arrows
23124,067

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, 17, 23, 124067

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 17 x 23 x 124,067 = 776,163,152

This can also be written as 24 x 171 x 231 x 124,0671 = 776,163,152

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


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