Q: What are the prime factors of the number 713,600,640?

 A: 2, 3, 5, 229, 541

Why are those the prime factors of the number 713,600,640?

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 713,600,640

713,600,640
Factor Arrows
2356,800,320
Factor Arrows
2178,400,160
Factor Arrows
289,200,080
Factor Arrows
244,600,040
Factor Arrows
222,300,020
Factor Arrows
211,150,010
Factor Arrows
25,575,005
Factor Arrows
31,858,335
Factor Arrows
3619,445
Factor Arrows
5123,889
Factor Arrows
229541

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, 229, 541

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 2 x 3 x 3 x 5 x 229 x 541 = 713,600,640

This can also be written as 27 x 32 x 51 x 2291 x 5411 = 713,600,640

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


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