Q: What are the prime factors of the number 131,400,412?

 A: 2, 11, 13, 17, 13513

Why are those the prime factors of the number 131,400,412?

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 131,400,412

131,400,412
Factor Arrows
265,700,206
Factor Arrows
232,850,103
Factor Arrows
112,986,373
Factor Arrows
13229,721
Factor Arrows
1713,513

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, 11, 13, 17, 13513

We can check our work by multiplying all of the prime factors together: 2 x 2 x 11 x 13 x 17 x 13,513 = 131,400,412

This can also be written as 22 x 111 x 131 x 171 x 13,5131 = 131,400,412

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


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