Q: What are the prime factors of the number 214,107,740?

 A: 2, 5, 7, 11, 41, 3391

Why are those the prime factors of the number 214,107,740?

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 214,107,740

214,107,740
Factor Arrows
2107,053,870
Factor Arrows
253,526,935
Factor Arrows
510,705,387
Factor Arrows
71,529,341
Factor Arrows
11139,031
Factor Arrows
413,391

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, 7, 11, 41, 3391

We can check our work by multiplying all of the prime factors together: 2 x 2 x 5 x 7 x 11 x 41 x 3,391 = 214,107,740

This can also be written as 22 x 51 x 71 x 111 x 411 x 3,3911 = 214,107,740

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


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