Q: What are the prime factors of the number 1,340,082?

 A: 2, 3, 74449

Why are those the prime factors of the number 1,340,082?

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 1,340,082

1,340,082
Factor Arrows
2670,041
Factor Arrows
3223,347
Factor Arrows
374,449

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, 74449

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 74,449 = 1,340,082

This can also be written as 21 x 32 x 74,4491 = 1,340,082

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


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