Q: What are the prime factors of the number 1,346,944?

 A: 2, 17, 619

Why are those the prime factors of the number 1,346,944?

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 1,346,944

1,346,944
Factor Arrows
2673,472
Factor Arrows
2336,736
Factor Arrows
2168,368
Factor Arrows
284,184
Factor Arrows
242,092
Factor Arrows
221,046
Factor Arrows
210,523
Factor Arrows
17619

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, 619

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 17 x 619 = 1,346,944

This can also be written as 27 x 171 x 6191 = 1,346,944

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


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