Q: What are the prime factors of the number 770,353,664?

 A: 2, 101, 14897

Why are those the prime factors of the number 770,353,664?

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 770,353,664

770,353,664
Factor Arrows
2385,176,832
Factor Arrows
2192,588,416
Factor Arrows
296,294,208
Factor Arrows
248,147,104
Factor Arrows
224,073,552
Factor Arrows
212,036,776
Factor Arrows
26,018,388
Factor Arrows
23,009,194
Factor Arrows
21,504,597
Factor Arrows
10114,897

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, 101, 14897

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 101 x 14,897 = 770,353,664

This can also be written as 29 x 1011 x 14,8971 = 770,353,664

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


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