Q: What are the prime factors of the number 26,194,464?

 A: 2, 3, 19, 4787

Why are those the prime factors of the number 26,194,464?

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 26,194,464

26,194,464
Factor Arrows
213,097,232
Factor Arrows
26,548,616
Factor Arrows
23,274,308
Factor Arrows
21,637,154
Factor Arrows
2818,577
Factor Arrows
3272,859
Factor Arrows
390,953
Factor Arrows
194,787

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, 19, 4787

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 19 x 4,787 = 26,194,464

This can also be written as 25 x 32 x 191 x 4,7871 = 26,194,464

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


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