Q: What are the prime factors of the number 900,549?

 A: 3, 13, 43, 179

Why are those the prime factors of the number 900,549?

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 900,549

900,549
Factor Arrows
3300,183
Factor Arrows
3100,061
Factor Arrows
137,697
Factor Arrows
43179

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:

3, 13, 43, 179

We can check our work by multiplying all of the prime factors together: 3 x 3 x 13 x 43 x 179 = 900,549

This can also be written as 32 x 131 x 431 x 1791 = 900,549

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


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