Q: What are the prime factors of the number 177,021,369?

 A: 3, 7, 14867

Why are those the prime factors of the number 177,021,369?

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 177,021,369

177,021,369
Factor Arrows
359,007,123
Factor Arrows
319,669,041
Factor Arrows
36,556,347
Factor Arrows
32,185,449
Factor Arrows
3728,483
Factor Arrows
7104,069
Factor Arrows
714,867

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, 7, 14867

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 7 x 7 x 14,867 = 177,021,369

This can also be written as 35 x 72 x 14,8671 = 177,021,369

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


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