Q: What are the prime factors of the number 113,310,300?

 A: 2, 3, 5, 19, 103, 193

Why are those the prime factors of the number 113,310,300?

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 113,310,300

113,310,300
Factor Arrows
256,655,150
Factor Arrows
228,327,575
Factor Arrows
39,442,525
Factor Arrows
51,888,505
Factor Arrows
5377,701
Factor Arrows
1919,879
Factor Arrows
103193

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, 19, 103, 193

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 5 x 5 x 19 x 103 x 193 = 113,310,300

This can also be written as 22 x 31 x 52 x 191 x 1031 x 1931 = 113,310,300

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


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