Q: What are the prime factors of the number 1,596,456?

 A: 2, 3, 19, 389

Why are those the prime factors of the number 1,596,456?

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 1,596,456

1,596,456
Factor Arrows
2798,228
Factor Arrows
2399,114
Factor Arrows
2199,557
Factor Arrows
366,519
Factor Arrows
322,173
Factor Arrows
37,391
Factor Arrows
19389

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, 19, 389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 19 x 389 = 1,596,456

This can also be written as 23 x 33 x 191 x 3891 = 1,596,456

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


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