Q: What are the prime factors of the number 14,340,928?

 A: 2, 7, 17, 269

Why are those the prime factors of the number 14,340,928?

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 14,340,928

14,340,928
Factor Arrows
27,170,464
Factor Arrows
23,585,232
Factor Arrows
21,792,616
Factor Arrows
2896,308
Factor Arrows
2448,154
Factor Arrows
2224,077
Factor Arrows
732,011
Factor Arrows
74,573
Factor Arrows
17269

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, 7, 17, 269

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 7 x 7 x 17 x 269 = 14,340,928

This can also be written as 26 x 72 x 171 x 2691 = 14,340,928

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


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