Q: What are the prime factors of the number 12,410,530?

 A: 2, 5, 11, 257, 439

Why are those the prime factors of the number 12,410,530?

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 12,410,530

12,410,530
Factor Arrows
26,205,265
Factor Arrows
51,241,053
Factor Arrows
11112,823
Factor Arrows
257439

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, 257, 439

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 257 x 439 = 12,410,530

This can also be written as 21 x 51 x 111 x 2571 x 4391 = 12,410,530

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


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