Q: What are the prime factors of the number 14,401,100?

 A: 2, 5, 7, 2939

Why are those the prime factors of the number 14,401,100?

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 14,401,100

14,401,100
Factor Arrows
27,200,550
Factor Arrows
23,600,275
Factor Arrows
5720,055
Factor Arrows
5144,011
Factor Arrows
720,573
Factor Arrows
72,939

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, 5, 7, 2939

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 5 x 7 x 7 x 2,939 = 14,401,100

This can also be written as 22 x 52 x 72 x 2,9391 = 14,401,100

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


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