Q: What are the prime factors of the number 14,405,400?

 A: 2, 3, 5, 53, 151

Why are those the prime factors of the number 14,405,400?

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 14,405,400

14,405,400
Factor Arrows
27,202,700
Factor Arrows
23,601,350
Factor Arrows
21,800,675
Factor Arrows
3600,225
Factor Arrows
3200,075
Factor Arrows
540,015
Factor Arrows
58,003
Factor Arrows
53151

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, 5, 53, 151

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 5 x 53 x 151 = 14,405,400

This can also be written as 23 x 32 x 52 x 531 x 1511 = 14,405,400

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


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