Q: What are the prime factors of the number 12,458,064?

 A: 2, 3, 461, 563

Why are those the prime factors of the number 12,458,064?

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 12,458,064

12,458,064
Factor Arrows
26,229,032
Factor Arrows
23,114,516
Factor Arrows
21,557,258
Factor Arrows
2778,629
Factor Arrows
3259,543
Factor Arrows
461563

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, 461, 563

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 461 x 563 = 12,458,064

This can also be written as 24 x 31 x 4611 x 5631 = 12,458,064

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


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