Q: What are the prime factors of the number 432,422,844?

 A: 2, 3, 7, 31, 3389

Why are those the prime factors of the number 432,422,844?

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 432,422,844

432,422,844
Factor Arrows
2216,211,422
Factor Arrows
2108,105,711
Factor Arrows
336,035,237
Factor Arrows
75,147,891
Factor Arrows
7735,413
Factor Arrows
7105,059
Factor Arrows
313,389

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, 31, 3389

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 7 x 7 x 7 x 31 x 3,389 = 432,422,844

This can also be written as 22 x 31 x 73 x 311 x 3,3891 = 432,422,844

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


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