Q: What are the prime factors of the number 442,928?

 A: 2, 19, 31, 47

Why are those the prime factors of the number 442,928?

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 442,928

442,928
Factor Arrows
2221,464
Factor Arrows
2110,732
Factor Arrows
255,366
Factor Arrows
227,683
Factor Arrows
191,457
Factor Arrows
3147

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, 19, 31, 47

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 19 x 31 x 47 = 442,928

This can also be written as 24 x 191 x 311 x 471 = 442,928

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


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