Q: What are the prime factors of the number 100,101,152?

 A: 2, 23, 277, 491

Why are those the prime factors of the number 100,101,152?

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 100,101,152

100,101,152
Factor Arrows
250,050,576
Factor Arrows
225,025,288
Factor Arrows
212,512,644
Factor Arrows
26,256,322
Factor Arrows
23,128,161
Factor Arrows
23136,007
Factor Arrows
277491

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, 23, 277, 491

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 23 x 277 x 491 = 100,101,152

This can also be written as 25 x 231 x 2771 x 4911 = 100,101,152

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


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