Q: What are the prime factors of the number 261,162,244?

 A: 2, 7, 233, 40031

Why are those the prime factors of the number 261,162,244?

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 261,162,244

261,162,244
Factor Arrows
2130,581,122
Factor Arrows
265,290,561
Factor Arrows
79,327,223
Factor Arrows
23340,031

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, 7, 233, 40031

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 233 x 40,031 = 261,162,244

This can also be written as 22 x 71 x 2331 x 40,0311 = 261,162,244

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


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