Q: What are the prime factors of the number 100,030,992?

 A: 2, 3, 17, 7211

Why are those the prime factors of the number 100,030,992?

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 100,030,992

100,030,992
Factor Arrows
250,015,496
Factor Arrows
225,007,748
Factor Arrows
212,503,874
Factor Arrows
26,251,937
Factor Arrows
32,083,979
Factor Arrows
17122,587
Factor Arrows
177,211

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, 17, 7211

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 17 x 17 x 7,211 = 100,030,992

This can also be written as 24 x 31 x 172 x 7,2111 = 100,030,992

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


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