Q: What are the prime factors of the number 100,530,582?

 A: 2, 3, 31, 227, 2381

Why are those the prime factors of the number 100,530,582?

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 100,530,582

100,530,582
Factor Arrows
250,265,291
Factor Arrows
316,755,097
Factor Arrows
31540,487
Factor Arrows
2272,381

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, 31, 227, 2381

We can check our work by multiplying all of the prime factors together: 2 x 3 x 31 x 227 x 2,381 = 100,530,582

This can also be written as 21 x 31 x 311 x 2271 x 2,3811 = 100,530,582

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


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