Q: What are the prime factors of the number 3,326,292?

 A: 2, 3, 19, 1621

Why are those the prime factors of the number 3,326,292?

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 3,326,292

3,326,292
Factor Arrows
21,663,146
Factor Arrows
2831,573
Factor Arrows
3277,191
Factor Arrows
392,397
Factor Arrows
330,799
Factor Arrows
191,621

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, 19, 1621

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 19 x 1,621 = 3,326,292

This can also be written as 22 x 33 x 191 x 1,6211 = 3,326,292

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


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