Q: What are the prime factors of the number 255,355,767?

 A: 3, 9457621

Why are those the prime factors of the number 255,355,767?

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 255,355,767

255,355,767
Factor Arrows
385,118,589
Factor Arrows
328,372,863
Factor Arrows
39,457,621

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, 9457621

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 9,457,621 = 255,355,767

This can also be written as 33 x 9,457,6211 = 255,355,767

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


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