Q: What are the prime factors of the number 676,188?

 A: 2, 3, 2087

Why are those the prime factors of the number 676,188?

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 676,188

676,188
Factor Arrows
2338,094
Factor Arrows
2169,047
Factor Arrows
356,349
Factor Arrows
318,783
Factor Arrows
36,261
Factor Arrows
32,087

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, 2087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 3 x 2,087 = 676,188

This can also be written as 22 x 34 x 2,0871 = 676,188

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


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