Q: What are the prime factors of the number 175,712,768?

 A: 2, 7, 11, 4457

Why are those the prime factors of the number 175,712,768?

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 175,712,768

175,712,768
Factor Arrows
287,856,384
Factor Arrows
243,928,192
Factor Arrows
221,964,096
Factor Arrows
210,982,048
Factor Arrows
25,491,024
Factor Arrows
22,745,512
Factor Arrows
21,372,756
Factor Arrows
2686,378
Factor Arrows
2343,189
Factor Arrows
749,027
Factor Arrows
114,457

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, 11, 4457

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 11 x 4,457 = 175,712,768

This can also be written as 29 x 71 x 111 x 4,4571 = 175,712,768

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


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