Q: What are the prime factors of the number 17,564,608?

 A: 2, 127, 2161

Why are those the prime factors of the number 17,564,608?

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 17,564,608

17,564,608
Factor Arrows
28,782,304
Factor Arrows
24,391,152
Factor Arrows
22,195,576
Factor Arrows
21,097,788
Factor Arrows
2548,894
Factor Arrows
2274,447
Factor Arrows
1272,161

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, 127, 2161

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 127 x 2,161 = 17,564,608

This can also be written as 26 x 1271 x 2,1611 = 17,564,608

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


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