Q: What are the prime factors of the number 176,901,872?

 A: 2, 7, 31, 50951

Why are those the prime factors of the number 176,901,872?

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 176,901,872

176,901,872
Factor Arrows
288,450,936
Factor Arrows
244,225,468
Factor Arrows
222,112,734
Factor Arrows
211,056,367
Factor Arrows
71,579,481
Factor Arrows
3150,951

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, 31, 50951

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 31 x 50,951 = 176,901,872

This can also be written as 24 x 71 x 311 x 50,9511 = 176,901,872

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


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