Q: What are the prime factors of the number 5,681,600?

 A: 2, 5, 53, 67

Why are those the prime factors of the number 5,681,600?

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 5,681,600

5,681,600
Factor Arrows
22,840,800
Factor Arrows
21,420,400
Factor Arrows
2710,200
Factor Arrows
2355,100
Factor Arrows
2177,550
Factor Arrows
288,775
Factor Arrows
517,755
Factor Arrows
53,551
Factor Arrows
5367

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, 53, 67

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 5 x 5 x 53 x 67 = 5,681,600

This can also be written as 26 x 52 x 531 x 671 = 5,681,600

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


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