Q: What are the prime factors of the number 57,776,625?

 A: 3, 5, 17, 19, 53

Why are those the prime factors of the number 57,776,625?

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 57,776,625

57,776,625
Factor Arrows
319,258,875
Factor Arrows
36,419,625
Factor Arrows
32,139,875
Factor Arrows
5427,975
Factor Arrows
585,595
Factor Arrows
517,119
Factor Arrows
171,007
Factor Arrows
1953

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:

3, 5, 17, 19, 53

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 5 x 17 x 19 x 53 = 57,776,625

This can also be written as 33 x 53 x 171 x 191 x 531 = 57,776,625

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


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