Q: What are the prime factors of the number 469,278?

 A: 2, 3, 29, 31

Why are those the prime factors of the number 469,278?

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 469,278

469,278
Factor Arrows
2234,639
Factor Arrows
378,213
Factor Arrows
326,071
Factor Arrows
29899
Factor Arrows
2931

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, 29, 31

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 29 x 29 x 31 = 469,278

This can also be written as 21 x 32 x 292 x 311 = 469,278

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


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