Q: What are the prime factors of the number 14,224,224?

 A: 2, 3, 7, 61, 347

Why are those the prime factors of the number 14,224,224?

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 14,224,224

14,224,224
Factor Arrows
27,112,112
Factor Arrows
23,556,056
Factor Arrows
21,778,028
Factor Arrows
2889,014
Factor Arrows
2444,507
Factor Arrows
3148,169
Factor Arrows
721,167
Factor Arrows
61347

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, 61, 347

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 7 x 61 x 347 = 14,224,224

This can also be written as 25 x 31 x 71 x 611 x 3471 = 14,224,224

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


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