Q: What are the prime factors of the number 110,000,100?

 A: 2, 3, 5, 7, 1069

Why are those the prime factors of the number 110,000,100?

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 110,000,100

110,000,100
Factor Arrows
255,000,050
Factor Arrows
227,500,025
Factor Arrows
39,166,675
Factor Arrows
51,833,335
Factor Arrows
5366,667
Factor Arrows
752,381
Factor Arrows
77,483
Factor Arrows
71,069

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, 5, 7, 1069

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 7 x 7 x 7 x 1,069 = 110,000,100

This can also be written as 22 x 31 x 52 x 73 x 1,0691 = 110,000,100

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


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