Q: What are the prime factors of the number 177,760,912?

 A: 2, 7, 41, 38711

Why are those the prime factors of the number 177,760,912?

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 177,760,912

177,760,912
Factor Arrows
288,880,456
Factor Arrows
244,440,228
Factor Arrows
222,220,114
Factor Arrows
211,110,057
Factor Arrows
71,587,151
Factor Arrows
4138,711

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, 7, 41, 38711

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 41 x 38,711 = 177,760,912

This can also be written as 24 x 71 x 411 x 38,7111 = 177,760,912

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


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