Q: What are the prime factors of the number 177,423,705?

 A: 3, 5, 67, 83, 709

Why are those the prime factors of the number 177,423,705?

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 177,423,705

177,423,705
Factor Arrows
359,141,235
Factor Arrows
319,713,745
Factor Arrows
53,942,749
Factor Arrows
6758,847
Factor Arrows
83709

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:

3, 5, 67, 83, 709

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 67 x 83 x 709 = 177,423,705

This can also be written as 32 x 51 x 671 x 831 x 7091 = 177,423,705

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


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