Q: What are the prime factors of the number 331,500,412?

 A: 2, 211, 523, 751

Why are those the prime factors of the number 331,500,412?

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 331,500,412

331,500,412
Factor Arrows
2165,750,206
Factor Arrows
282,875,103
Factor Arrows
211392,773
Factor Arrows
523751

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, 211, 523, 751

We can check our work by multiplying all of the prime factors together: 2 x 2 x 211 x 523 x 751 = 331,500,412

This can also be written as 22 x 2111 x 5231 x 7511 = 331,500,412

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


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