Q: What are the prime factors of the number 164,255,465?

 A: 5, 11, 137, 21799

Why are those the prime factors of the number 164,255,465?

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 164,255,465

164,255,465
Factor Arrows
532,851,093
Factor Arrows
112,986,463
Factor Arrows
13721,799

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:

5, 11, 137, 21799

We can check our work by multiplying all of the prime factors together: 5 x 11 x 137 x 21,799 = 164,255,465

This can also be written as 51 x 111 x 1371 x 21,7991 = 164,255,465

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


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