Q: What are the prime factors of the number 26,146,168?

 A: 2, 29, 251, 449

Why are those the prime factors of the number 26,146,168?

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 26,146,168

26,146,168
Factor Arrows
213,073,084
Factor Arrows
26,536,542
Factor Arrows
23,268,271
Factor Arrows
29112,699
Factor Arrows
251449

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, 29, 251, 449

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 29 x 251 x 449 = 26,146,168

This can also be written as 23 x 291 x 2511 x 4491 = 26,146,168

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


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