Q: What are the prime factors of the number 212,415,260?

 A: 2, 5, 41, 83, 3121

Why are those the prime factors of the number 212,415,260?

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 212,415,260

212,415,260
Factor Arrows
2106,207,630
Factor Arrows
253,103,815
Factor Arrows
510,620,763
Factor Arrows
41259,043
Factor Arrows
833,121

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, 41, 83, 3121

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 41 x 83 x 3,121 = 212,415,260

This can also be written as 22 x 51 x 411 x 831 x 3,1211 = 212,415,260

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


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