Q: What are the prime factors of the number 770,353,164?

 A: 2, 3, 7, 17, 179821

Why are those the prime factors of the number 770,353,164?

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 770,353,164

770,353,164
Factor Arrows
2385,176,582
Factor Arrows
2192,588,291
Factor Arrows
364,196,097
Factor Arrows
321,398,699
Factor Arrows
73,056,957
Factor Arrows
17179,821

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, 7, 17, 179821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 7 x 17 x 179,821 = 770,353,164

This can also be written as 22 x 32 x 71 x 171 x 179,8211 = 770,353,164

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


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