Q: What are the prime factors of the number 775,210,184?

 A: 2, 7, 19, 14869

Why are those the prime factors of the number 775,210,184?

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 775,210,184

775,210,184
Factor Arrows
2387,605,092
Factor Arrows
2193,802,546
Factor Arrows
296,901,273
Factor Arrows
713,843,039
Factor Arrows
71,977,577
Factor Arrows
7282,511
Factor Arrows
1914,869

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, 7, 19, 14869

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 7 x 7 x 19 x 14,869 = 775,210,184

This can also be written as 23 x 73 x 191 x 14,8691 = 775,210,184

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


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