Q: What are the prime factors of the number 26,453,020?

 A: 2, 5, 11, 17, 643

Why are those the prime factors of the number 26,453,020?

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 26,453,020

26,453,020
Factor Arrows
213,226,510
Factor Arrows
26,613,255
Factor Arrows
51,322,651
Factor Arrows
11120,241
Factor Arrows
1110,931
Factor Arrows
17643

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, 5, 11, 17, 643

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 11 x 11 x 17 x 643 = 26,453,020

This can also be written as 22 x 51 x 112 x 171 x 6431 = 26,453,020

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


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