Q: What are the prime factors of the number 214,216,650?

 A: 2, 3, 5, 653

Why are those the prime factors of the number 214,216,650?

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 214,216,650

214,216,650
Factor Arrows
2107,108,325
Factor Arrows
335,702,775
Factor Arrows
311,900,925
Factor Arrows
33,966,975
Factor Arrows
31,322,325
Factor Arrows
3440,775
Factor Arrows
3146,925
Factor Arrows
348,975
Factor Arrows
316,325
Factor Arrows
53,265
Factor Arrows
5653

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, 653

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 3 x 5 x 5 x 653 = 214,216,650

This can also be written as 21 x 38 x 52 x 6531 = 214,216,650

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


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