Q: What are the prime factors of the number 6,842,385?

 A: 3, 5, 11, 23, 601

Why are those the prime factors of the number 6,842,385?

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 6,842,385

6,842,385
Factor Arrows
32,280,795
Factor Arrows
3760,265
Factor Arrows
5152,053
Factor Arrows
1113,823
Factor Arrows
23601

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, 5, 11, 23, 601

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 11 x 23 x 601 = 6,842,385

This can also be written as 32 x 51 x 111 x 231 x 6011 = 6,842,385

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


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