Q: What are the prime factors of the number 214,314,642?

 A: 2, 3, 19, 47, 67, 199

Why are those the prime factors of the number 214,314,642?

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 214,314,642

214,314,642
Factor Arrows
2107,157,321
Factor Arrows
335,719,107
Factor Arrows
311,906,369
Factor Arrows
19626,651
Factor Arrows
4713,333
Factor Arrows
67199

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, 19, 47, 67, 199

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 19 x 47 x 67 x 199 = 214,314,642

This can also be written as 21 x 32 x 191 x 471 x 671 x 1991 = 214,314,642

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


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