Q: What are the prime factors of the number 26,233,536?

 A: 2, 3, 7, 131, 149

Why are those the prime factors of the number 26,233,536?

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 26,233,536

26,233,536
Factor Arrows
213,116,768
Factor Arrows
26,558,384
Factor Arrows
23,279,192
Factor Arrows
21,639,596
Factor Arrows
2819,798
Factor Arrows
2409,899
Factor Arrows
3136,633
Factor Arrows
719,519
Factor Arrows
131149

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, 3, 7, 131, 149

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 3 x 7 x 131 x 149 = 26,233,536

This can also be written as 26 x 31 x 71 x 1311 x 1491 = 26,233,536

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


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