Q: What are the prime factors of the number 176,904?

 A: 2, 3, 7, 13

Why are those the prime factors of the number 176,904?

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 176,904

176,904
Factor Arrows
288,452
Factor Arrows
244,226
Factor Arrows
222,113
Factor Arrows
37,371
Factor Arrows
32,457
Factor Arrows
3819
Factor Arrows
3273
Factor Arrows
391
Factor Arrows
713

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, 13

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 3 x 3 x 7 x 13 = 176,904

This can also be written as 23 x 35 x 71 x 131 = 176,904

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


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