Q: What are the prime factors of the number 213,333,102?

 A: 2, 3, 17, 19, 151

Why are those the prime factors of the number 213,333,102?

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 213,333,102

213,333,102
Factor Arrows
2106,666,551
Factor Arrows
335,555,517
Factor Arrows
311,851,839
Factor Arrows
33,950,613
Factor Arrows
31,316,871
Factor Arrows
3438,957
Factor Arrows
3146,319
Factor Arrows
348,773
Factor Arrows
172,869
Factor Arrows
19151

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, 17, 19, 151

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 17 x 19 x 151 = 213,333,102

This can also be written as 21 x 37 x 171 x 191 x 1511 = 213,333,102

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


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