Q: What are the prime factors of the number 723,124,255?

 A: 5, 7, 23, 898291

Why are those the prime factors of the number 723,124,255?

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 723,124,255

723,124,255
Factor Arrows
5144,624,851
Factor Arrows
720,660,693
Factor Arrows
23898,291

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:

5, 7, 23, 898291

We can check our work by multiplying all of the prime factors together: 5 x 7 x 23 x 898,291 = 723,124,255

This can also be written as 51 x 71 x 231 x 898,2911 = 723,124,255

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


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