Q: What are the prime factors of the number 1,616,304?

 A: 2, 3, 151, 223

Why are those the prime factors of the number 1,616,304?

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 1,616,304

1,616,304
Factor Arrows
2808,152
Factor Arrows
2404,076
Factor Arrows
2202,038
Factor Arrows
2101,019
Factor Arrows
333,673
Factor Arrows
151223

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, 151, 223

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 151 x 223 = 1,616,304

This can also be written as 24 x 31 x 1511 x 2231 = 1,616,304

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


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