Q: What are the prime factors of the number 2,902,912?

 A: 2, 22679

Why are those the prime factors of the number 2,902,912?

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 2,902,912

2,902,912
Factor Arrows
21,451,456
Factor Arrows
2725,728
Factor Arrows
2362,864
Factor Arrows
2181,432
Factor Arrows
290,716
Factor Arrows
245,358
Factor Arrows
222,679

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, 22679

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 22,679 = 2,902,912

This can also be written as 27 x 22,6791 = 2,902,912

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


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