Q: What are the prime factors of the number 631,177,008?

 A: 2, 3, 7, 11, 170773

Why are those the prime factors of the number 631,177,008?

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 631,177,008

631,177,008
Factor Arrows
2315,588,504
Factor Arrows
2157,794,252
Factor Arrows
278,897,126
Factor Arrows
239,448,563
Factor Arrows
313,149,521
Factor Arrows
71,878,503
Factor Arrows
11170,773

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, 7, 11, 170773

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 7 x 11 x 170,773 = 631,177,008

This can also be written as 24 x 31 x 71 x 111 x 170,7731 = 631,177,008

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


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