Q: What are the prime factors of the number 57,056,724?

 A: 2, 3, 229, 769

Why are those the prime factors of the number 57,056,724?

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 57,056,724

57,056,724
Factor Arrows
228,528,362
Factor Arrows
214,264,181
Factor Arrows
34,754,727
Factor Arrows
31,584,909
Factor Arrows
3528,303
Factor Arrows
3176,101
Factor Arrows
229769

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, 229, 769

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 229 x 769 = 57,056,724

This can also be written as 22 x 34 x 2291 x 7691 = 57,056,724

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


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