Q: What are the prime factors of the number 100,223,319?

 A: 3, 7, 233, 20483

Why are those the prime factors of the number 100,223,319?

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 100,223,319

100,223,319
Factor Arrows
333,407,773
Factor Arrows
74,772,539
Factor Arrows
23320,483

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:

3, 7, 233, 20483

We can check our work by multiplying all of the prime factors together: 3 x 7 x 233 x 20,483 = 100,223,319

This can also be written as 31 x 71 x 2331 x 20,4831 = 100,223,319

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


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