Q: What are the prime factors of the number 215,052,544?

 A: 2, 7, 41, 2927

Why are those the prime factors of the number 215,052,544?

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 215,052,544

215,052,544
Factor Arrows
2107,526,272
Factor Arrows
253,763,136
Factor Arrows
226,881,568
Factor Arrows
213,440,784
Factor Arrows
26,720,392
Factor Arrows
23,360,196
Factor Arrows
21,680,098
Factor Arrows
2840,049
Factor Arrows
7120,007
Factor Arrows
412,927

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, 7, 41, 2927

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 7 x 41 x 2,927 = 215,052,544

This can also be written as 28 x 71 x 411 x 2,9271 = 215,052,544

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


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