Q: What are the prime factors of the number 14,357,056?

 A: 2, 7, 73, 439

Why are those the prime factors of the number 14,357,056?

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 14,357,056

14,357,056
Factor Arrows
27,178,528
Factor Arrows
23,589,264
Factor Arrows
21,794,632
Factor Arrows
2897,316
Factor Arrows
2448,658
Factor Arrows
2224,329
Factor Arrows
732,047
Factor Arrows
73439

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, 73, 439

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 73 x 439 = 14,357,056

This can also be written as 26 x 71 x 731 x 4391 = 14,357,056

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


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