Q: What are the prime factors of the number 131,210,104?

 A: 2, 31, 317, 1669

Why are those the prime factors of the number 131,210,104?

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 131,210,104

131,210,104
Factor Arrows
265,605,052
Factor Arrows
232,802,526
Factor Arrows
216,401,263
Factor Arrows
31529,073
Factor Arrows
3171,669

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, 31, 317, 1669

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 31 x 317 x 1,669 = 131,210,104

This can also be written as 23 x 311 x 3171 x 1,6691 = 131,210,104

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


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