Q: What are the prime factors of the number 1,447,200?

 A: 2, 3, 5, 67

Why are those the prime factors of the number 1,447,200?

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 1,447,200

1,447,200
Factor Arrows
2723,600
Factor Arrows
2361,800
Factor Arrows
2180,900
Factor Arrows
290,450
Factor Arrows
245,225
Factor Arrows
315,075
Factor Arrows
35,025
Factor Arrows
31,675
Factor Arrows
5335
Factor Arrows
567

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, 67

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 3 x 3 x 5 x 5 x 67 = 1,447,200

This can also be written as 25 x 33 x 52 x 671 = 1,447,200

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


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