Q: What are the prime factors of the number 212,858,679?

 A: 3, 11, 31, 208073

Why are those the prime factors of the number 212,858,679?

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 212,858,679

212,858,679
Factor Arrows
370,952,893
Factor Arrows
116,450,263
Factor Arrows
31208,073

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, 11, 31, 208073

We can check our work by multiplying all of the prime factors together: 3 x 11 x 31 x 208,073 = 212,858,679

This can also be written as 31 x 111 x 311 x 208,0731 = 212,858,679

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


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