Q: What are the prime factors of the number 3,576,608?

 A: 2, 7, 2281

Why are those the prime factors of the number 3,576,608?

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 3,576,608

3,576,608
Factor Arrows
21,788,304
Factor Arrows
2894,152
Factor Arrows
2447,076
Factor Arrows
2223,538
Factor Arrows
2111,769
Factor Arrows
715,967
Factor Arrows
72,281

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, 7, 2281

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 7 x 2,281 = 3,576,608

This can also be written as 25 x 72 x 2,2811 = 3,576,608

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


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