Q: What are the prime factors of the number 3,224,064?

 A: 2, 3, 2099

Why are those the prime factors of the number 3,224,064?

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 3,224,064

3,224,064
Factor Arrows
21,612,032
Factor Arrows
2806,016
Factor Arrows
2403,008
Factor Arrows
2201,504
Factor Arrows
2100,752
Factor Arrows
250,376
Factor Arrows
225,188
Factor Arrows
212,594
Factor Arrows
26,297
Factor Arrows
32,099

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, 2099

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 3 x 2,099 = 3,224,064

This can also be written as 29 x 31 x 2,0991 = 3,224,064

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


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