Q: What are the prime factors of the number 311,146,162?

 A: 2, 23, 29, 10141

Why are those the prime factors of the number 311,146,162?

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 311,146,162

311,146,162
Factor Arrows
2155,573,081
Factor Arrows
236,764,047
Factor Arrows
23294,089
Factor Arrows
2910,141

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, 23, 29, 10141

We can check our work by multiplying all of the prime factors together: 2 x 23 x 23 x 29 x 10,141 = 311,146,162

This can also be written as 21 x 232 x 291 x 10,1411 = 311,146,162

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


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