Q: What are the prime factors of the number 35,494,912?

 A: 2, 17, 2039

Why are those the prime factors of the number 35,494,912?

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 35,494,912

35,494,912
Factor Arrows
217,747,456
Factor Arrows
28,873,728
Factor Arrows
24,436,864
Factor Arrows
22,218,432
Factor Arrows
21,109,216
Factor Arrows
2554,608
Factor Arrows
2277,304
Factor Arrows
2138,652
Factor Arrows
269,326
Factor Arrows
234,663
Factor Arrows
172,039

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, 17, 2039

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 17 x 2,039 = 35,494,912

This can also be written as 210 x 171 x 2,0391 = 35,494,912

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


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