Q: What are the prime factors of the number 100,217,696?

 A: 2, 1283, 2441

Why are those the prime factors of the number 100,217,696?

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 100,217,696

100,217,696
Factor Arrows
250,108,848
Factor Arrows
225,054,424
Factor Arrows
212,527,212
Factor Arrows
26,263,606
Factor Arrows
23,131,803
Factor Arrows
1,2832,441

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, 1283, 2441

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 1,283 x 2,441 = 100,217,696

This can also be written as 25 x 1,2831 x 2,4411 = 100,217,696

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


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