Q: What are the prime factors of the number 242,176?

 A: 2, 11, 43

Why are those the prime factors of the number 242,176?

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 242,176

242,176
Factor Arrows
2121,088
Factor Arrows
260,544
Factor Arrows
230,272
Factor Arrows
215,136
Factor Arrows
27,568
Factor Arrows
23,784
Factor Arrows
21,892
Factor Arrows
2946
Factor Arrows
2473
Factor Arrows
1143

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, 11, 43

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 11 x 43 = 242,176

This can also be written as 29 x 111 x 431 = 242,176

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


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