Q: What are the prime factors of the number 1,675,776?

 A: 2, 3, 1091

Why are those the prime factors of the number 1,675,776?

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 1,675,776

1,675,776
Factor Arrows
2837,888
Factor Arrows
2418,944
Factor Arrows
2209,472
Factor Arrows
2104,736
Factor Arrows
252,368
Factor Arrows
226,184
Factor Arrows
213,092
Factor Arrows
26,546
Factor Arrows
23,273
Factor Arrows
31,091

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, 3, 1091

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3 x 1,091 = 1,675,776

This can also be written as 29 x 31 x 1,0911 = 1,675,776

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


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