Q: What are the prime factors of the number 312,301,203?

 A: 3, 17, 29, 12421

Why are those the prime factors of the number 312,301,203?

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 312,301,203

312,301,203
Factor Arrows
3104,100,401
Factor Arrows
176,123,553
Factor Arrows
17360,209
Factor Arrows
2912,421

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:

3, 17, 29, 12421

We can check our work by multiplying all of the prime factors together: 3 x 17 x 17 x 29 x 12,421 = 312,301,203

This can also be written as 31 x 172 x 291 x 12,4211 = 312,301,203

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


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