Q: What are the prime factors of the number 100,231,248?

 A: 2, 3, 13, 160627

Why are those the prime factors of the number 100,231,248?

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 100,231,248

100,231,248
Factor Arrows
250,115,624
Factor Arrows
225,057,812
Factor Arrows
212,528,906
Factor Arrows
26,264,453
Factor Arrows
32,088,151
Factor Arrows
13160,627

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, 13, 160627

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 160,627 = 100,231,248

This can also be written as 24 x 31 x 131 x 160,6271 = 100,231,248

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


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