Q: What are the prime factors of the number 770,000,664?

 A: 2, 3, 41, 269, 2909

Why are those the prime factors of the number 770,000,664?

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 770,000,664

770,000,664
Factor Arrows
2385,000,332
Factor Arrows
2192,500,166
Factor Arrows
296,250,083
Factor Arrows
332,083,361
Factor Arrows
41782,521
Factor Arrows
2692,909

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, 41, 269, 2909

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 41 x 269 x 2,909 = 770,000,664

This can also be written as 23 x 31 x 411 x 2691 x 2,9091 = 770,000,664

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


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