Q: What are the prime factors of the number 178,065,104?

 A: 2, 7, 29, 73, 751

Why are those the prime factors of the number 178,065,104?

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 178,065,104

178,065,104
Factor Arrows
289,032,552
Factor Arrows
244,516,276
Factor Arrows
222,258,138
Factor Arrows
211,129,069
Factor Arrows
71,589,867
Factor Arrows
2954,823
Factor Arrows
73751

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, 29, 73, 751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 29 x 73 x 751 = 178,065,104

This can also be written as 24 x 71 x 291 x 731 x 7511 = 178,065,104

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


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