Q: What are the prime factors of the number 312,742,019?

 A: 37, 419, 20173

Why are those the prime factors of the number 312,742,019?

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 312,742,019

312,742,019
Factor Arrows
378,452,487
Factor Arrows
41920,173

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:

37, 419, 20173

We can check our work by multiplying all of the prime factors together: 37 x 419 x 20,173 = 312,742,019

This can also be written as 371 x 4191 x 20,1731 = 312,742,019

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


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