Q: What are the prime factors of the number 261,056,571?

 A: 3, 37, 167, 14083

Why are those the prime factors of the number 261,056,571?

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 261,056,571

261,056,571
Factor Arrows
387,018,857
Factor Arrows
372,351,861
Factor Arrows
16714,083

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:

3, 37, 167, 14083

We can check our work by multiplying all of the prime factors together: 3 x 37 x 167 x 14,083 = 261,056,571

This can also be written as 31 x 371 x 1671 x 14,0831 = 261,056,571

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


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