Q: What are the prime factors of the number 212,340,448?

 A: 2, 1307, 5077

Why are those the prime factors of the number 212,340,448?

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 212,340,448

212,340,448
Factor Arrows
2106,170,224
Factor Arrows
253,085,112
Factor Arrows
226,542,556
Factor Arrows
213,271,278
Factor Arrows
26,635,639
Factor Arrows
1,3075,077

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, 1307, 5077

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,307 x 5,077 = 212,340,448

This can also be written as 25 x 1,3071 x 5,0771 = 212,340,448

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


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