Q: What are the prime factors of the number 12,551,162?

 A: 2, 13, 47, 10271

Why are those the prime factors of the number 12,551,162?

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 12,551,162

12,551,162
Factor Arrows
26,275,581
Factor Arrows
13482,737
Factor Arrows
4710,271

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, 13, 47, 10271

We can check our work by multiplying all of the prime factors together: 2 x 13 x 47 x 10,271 = 12,551,162

This can also be written as 21 x 131 x 471 x 10,2711 = 12,551,162

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


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