Q: What are the prime factors of the number 177,808?

 A: 2, 11113

Why are those the prime factors of the number 177,808?

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 177,808

177,808
Factor Arrows
288,904
Factor Arrows
244,452
Factor Arrows
222,226
Factor Arrows
211,113

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, 11113

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 11,113 = 177,808

This can also be written as 24 x 11,1131 = 177,808

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


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