Q: What are the prime factors of the number 26,389,376?

 A: 2, 13, 15859

Why are those the prime factors of the number 26,389,376?

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 26,389,376

26,389,376
Factor Arrows
213,194,688
Factor Arrows
26,597,344
Factor Arrows
23,298,672
Factor Arrows
21,649,336
Factor Arrows
2824,668
Factor Arrows
2412,334
Factor Arrows
2206,167
Factor Arrows
1315,859

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, 13, 15859

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 13 x 15,859 = 26,389,376

This can also be written as 27 x 131 x 15,8591 = 26,389,376

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


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