Q: What are the prime factors of the number 16,454,256?

 A: 2, 3, 7, 13, 3767

Why are those the prime factors of the number 16,454,256?

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 16,454,256

16,454,256
Factor Arrows
28,227,128
Factor Arrows
24,113,564
Factor Arrows
22,056,782
Factor Arrows
21,028,391
Factor Arrows
3342,797
Factor Arrows
748,971
Factor Arrows
133,767

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, 7, 13, 3767

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 13 x 3,767 = 16,454,256

This can also be written as 24 x 31 x 71 x 131 x 3,7671 = 16,454,256

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


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