Q: What are the prime factors of the number 12,400,092?

 A: 2, 3, 53, 67, 97

Why are those the prime factors of the number 12,400,092?

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 12,400,092

12,400,092
Factor Arrows
26,200,046
Factor Arrows
23,100,023
Factor Arrows
31,033,341
Factor Arrows
3344,447
Factor Arrows
536,499
Factor Arrows
6797

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, 53, 67, 97

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 53 x 67 x 97 = 12,400,092

This can also be written as 22 x 32 x 531 x 671 x 971 = 12,400,092

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


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