Q: What are the prime factors of the number 212,708,181?

 A: 3, 7, 10128961

Why are those the prime factors of the number 212,708,181?

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 212,708,181

212,708,181
Factor Arrows
370,902,727
Factor Arrows
710,128,961

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, 7, 10128961

We can check our work by multiplying all of the prime factors together: 3 x 7 x 10,128,961 = 212,708,181

This can also be written as 31 x 71 x 10,128,9611 = 212,708,181

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


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