Q: What are the prime factors of the number 176,265,320?

 A: 2, 5, 7, 11, 151, 379

Why are those the prime factors of the number 176,265,320?

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 176,265,320

176,265,320
Factor Arrows
288,132,660
Factor Arrows
244,066,330
Factor Arrows
222,033,165
Factor Arrows
54,406,633
Factor Arrows
7629,519
Factor Arrows
1157,229
Factor Arrows
151379

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, 5, 7, 11, 151, 379

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 11 x 151 x 379 = 176,265,320

This can also be written as 23 x 51 x 71 x 111 x 1511 x 3791 = 176,265,320

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


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