Q: What are the prime factors of the number 212,363,040?

 A: 2, 3, 5, 227, 1949

Why are those the prime factors of the number 212,363,040?

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 212,363,040

212,363,040
Factor Arrows
2106,181,520
Factor Arrows
253,090,760
Factor Arrows
226,545,380
Factor Arrows
213,272,690
Factor Arrows
26,636,345
Factor Arrows
32,212,115
Factor Arrows
5442,423
Factor Arrows
2271,949

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, 3, 5, 227, 1949

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 5 x 227 x 1,949 = 212,363,040

This can also be written as 25 x 31 x 51 x 2271 x 1,9491 = 212,363,040

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


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