Q: What are the prime factors of the number 26,415,416?

 A: 2, 17, 43, 4517

Why are those the prime factors of the number 26,415,416?

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 26,415,416

26,415,416
Factor Arrows
213,207,708
Factor Arrows
26,603,854
Factor Arrows
23,301,927
Factor Arrows
17194,231
Factor Arrows
434,517

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, 17, 43, 4517

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 17 x 43 x 4,517 = 26,415,416

This can also be written as 23 x 171 x 431 x 4,5171 = 26,415,416

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


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