Q: What are the prime factors of the number 1,862,016?

 A: 2, 3, 13, 373

Why are those the prime factors of the number 1,862,016?

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 1,862,016

1,862,016
Factor Arrows
2931,008
Factor Arrows
2465,504
Factor Arrows
2232,752
Factor Arrows
2116,376
Factor Arrows
258,188
Factor Arrows
229,094
Factor Arrows
214,547
Factor Arrows
34,849
Factor Arrows
13373

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, 13, 373

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 3 x 13 x 373 = 1,862,016

This can also be written as 27 x 31 x 131 x 3731 = 1,862,016

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


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