Q: What are the prime factors of the number 212,201,120?

 A: 2, 5, 19, 29, 83

Why are those the prime factors of the number 212,201,120?

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 212,201,120

212,201,120
Factor Arrows
2106,100,560
Factor Arrows
253,050,280
Factor Arrows
226,525,140
Factor Arrows
213,262,570
Factor Arrows
26,631,285
Factor Arrows
51,326,257
Factor Arrows
1969,803
Factor Arrows
292,407
Factor Arrows
2983

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, 5, 19, 29, 83

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 5 x 19 x 29 x 29 x 83 = 212,201,120

This can also be written as 25 x 51 x 191 x 292 x 831 = 212,201,120

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


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