Q: What are the prime factors of the number 100,110,404?

 A: 2, 89, 179, 1571

Why are those the prime factors of the number 100,110,404?

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 100,110,404

100,110,404
Factor Arrows
250,055,202
Factor Arrows
225,027,601
Factor Arrows
89281,209
Factor Arrows
1791,571

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, 89, 179, 1571

We can check our work by multiplying all of the prime factors together: 2 x 2 x 89 x 179 x 1,571 = 100,110,404

This can also be written as 22 x 891 x 1791 x 1,5711 = 100,110,404

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


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