Q: What are the prime factors of the number 6,989,824?

 A: 2, 3413

Why are those the prime factors of the number 6,989,824?

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 6,989,824

6,989,824
Factor Arrows
23,494,912
Factor Arrows
21,747,456
Factor Arrows
2873,728
Factor Arrows
2436,864
Factor Arrows
2218,432
Factor Arrows
2109,216
Factor Arrows
254,608
Factor Arrows
227,304
Factor Arrows
213,652
Factor Arrows
26,826
Factor Arrows
23,413

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, 3413

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 3,413 = 6,989,824

This can also be written as 211 x 3,4131 = 6,989,824

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


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