Q: What are the prime factors of the number 26,356,320?

 A: 2, 3, 5, 6101

Why are those the prime factors of the number 26,356,320?

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 26,356,320

26,356,320
Factor Arrows
213,178,160
Factor Arrows
26,589,080
Factor Arrows
23,294,540
Factor Arrows
21,647,270
Factor Arrows
2823,635
Factor Arrows
3274,545
Factor Arrows
391,515
Factor Arrows
330,505
Factor Arrows
56,101

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, 5, 6101

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 3 x 3 x 5 x 6,101 = 26,356,320

This can also be written as 25 x 33 x 51 x 6,1011 = 26,356,320

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


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