Q: What are the prime factors of the number 631,105,566?

 A: 2, 3, 7, 13, 47, 24593

Why are those the prime factors of the number 631,105,566?

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 631,105,566

631,105,566
Factor Arrows
2315,552,783
Factor Arrows
3105,184,261
Factor Arrows
715,026,323
Factor Arrows
131,155,871
Factor Arrows
4724,593

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, 13, 47, 24593

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 13 x 47 x 24,593 = 631,105,566

This can also be written as 21 x 31 x 71 x 131 x 471 x 24,5931 = 631,105,566

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


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