Q: What are the prime factors of the number 56,577,600?

 A: 2, 3, 5, 3929

Why are those the prime factors of the number 56,577,600?

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 56,577,600

56,577,600
Factor Arrows
228,288,800
Factor Arrows
214,144,400
Factor Arrows
27,072,200
Factor Arrows
23,536,100
Factor Arrows
21,768,050
Factor Arrows
2884,025
Factor Arrows
3294,675
Factor Arrows
398,225
Factor Arrows
519,645
Factor Arrows
53,929

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, 3929

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 3 x 3 x 5 x 5 x 3,929 = 56,577,600

This can also be written as 26 x 32 x 52 x 3,9291 = 56,577,600

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


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