Q: What are the prime factors of the number 442,176?

 A: 2, 3, 7, 47

Why are those the prime factors of the number 442,176?

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 442,176

442,176
Factor Arrows
2221,088
Factor Arrows
2110,544
Factor Arrows
255,272
Factor Arrows
227,636
Factor Arrows
213,818
Factor Arrows
26,909
Factor Arrows
32,303
Factor Arrows
7329
Factor Arrows
747

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, 47

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 3 x 7 x 7 x 47 = 442,176

This can also be written as 26 x 31 x 72 x 471 = 442,176

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


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