Q: What are the prime factors of the number 26,828,235?

 A: 3, 5, 7, 23

Why are those the prime factors of the number 26,828,235?

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 26,828,235

26,828,235
Factor Arrows
38,942,745
Factor Arrows
32,980,915
Factor Arrows
5596,183
Factor Arrows
785,169
Factor Arrows
712,167
Factor Arrows
23529
Factor Arrows
2323

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:

3, 5, 7, 23

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 7 x 23 x 23 x 23 = 26,828,235

This can also be written as 32 x 51 x 72 x 233 = 26,828,235

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


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