Q: What are the prime factors of the number 1,973,600?

 A: 2, 5, 2467

Why are those the prime factors of the number 1,973,600?

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 1,973,600

1,973,600
Factor Arrows
2986,800
Factor Arrows
2493,400
Factor Arrows
2246,700
Factor Arrows
2123,350
Factor Arrows
261,675
Factor Arrows
512,335
Factor Arrows
52,467

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, 2467

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 5 x 2,467 = 1,973,600

This can also be written as 25 x 52 x 2,4671 = 1,973,600

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


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