Q: What are the prime factors of the number 2,451,600?

 A: 2, 3, 5, 227

Why are those the prime factors of the number 2,451,600?

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 2,451,600

2,451,600
Factor Arrows
21,225,800
Factor Arrows
2612,900
Factor Arrows
2306,450
Factor Arrows
2153,225
Factor Arrows
351,075
Factor Arrows
317,025
Factor Arrows
35,675
Factor Arrows
51,135
Factor Arrows
5227

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, 227

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 5 x 227 = 2,451,600

This can also be written as 24 x 33 x 52 x 2271 = 2,451,600

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


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