Q: What are the prime factors of the number 1,452,000?

 A: 2, 3, 5, 11

Why are those the prime factors of the number 1,452,000?

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 1,452,000

1,452,000
Factor Arrows
2726,000
Factor Arrows
2363,000
Factor Arrows
2181,500
Factor Arrows
290,750
Factor Arrows
245,375
Factor Arrows
315,125
Factor Arrows
53,025
Factor Arrows
5605
Factor Arrows
5121
Factor Arrows
1111

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, 11

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 5 x 5 x 5 x 11 x 11 = 1,452,000

This can also be written as 25 x 31 x 53 x 112 = 1,452,000

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


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