Q: What are the prime factors of the number 1,330,176?

 A: 2, 3, 433

Why are those the prime factors of the number 1,330,176?

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 1,330,176

1,330,176
Factor Arrows
2665,088
Factor Arrows
2332,544
Factor Arrows
2166,272
Factor Arrows
283,136
Factor Arrows
241,568
Factor Arrows
220,784
Factor Arrows
210,392
Factor Arrows
25,196
Factor Arrows
22,598
Factor Arrows
21,299
Factor Arrows
3433

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, 433

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 2 x 3 x 433 = 1,330,176

This can also be written as 210 x 31 x 4331 = 1,330,176

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


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