Q: What are the prime factors of the number 176,780,016?

 A: 2, 3, 7, 53, 1103

Why are those the prime factors of the number 176,780,016?

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 176,780,016

176,780,016
Factor Arrows
288,390,008
Factor Arrows
244,195,004
Factor Arrows
222,097,502
Factor Arrows
211,048,751
Factor Arrows
33,682,917
Factor Arrows
31,227,639
Factor Arrows
3409,213
Factor Arrows
758,459
Factor Arrows
531,103

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, 53, 1103

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 3 x 7 x 53 x 1,103 = 176,780,016

This can also be written as 24 x 33 x 71 x 531 x 1,1031 = 176,780,016

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


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