Q: What are the prime factors of the number 845,682,208?

 A: 2, 7, 3775367

Why are those the prime factors of the number 845,682,208?

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 845,682,208

845,682,208
Factor Arrows
2422,841,104
Factor Arrows
2211,420,552
Factor Arrows
2105,710,276
Factor Arrows
252,855,138
Factor Arrows
226,427,569
Factor Arrows
73,775,367

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, 3775367

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 3,775,367 = 845,682,208

This can also be written as 25 x 71 x 3,775,3671 = 845,682,208

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


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