Q: What are the prime factors of the number 101,241,000?

 A: 2, 3, 5, 7, 1607

Why are those the prime factors of the number 101,241,000?

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 101,241,000

101,241,000
Factor Arrows
250,620,500
Factor Arrows
225,310,250
Factor Arrows
212,655,125
Factor Arrows
34,218,375
Factor Arrows
31,406,125
Factor Arrows
5281,225
Factor Arrows
556,245
Factor Arrows
511,249
Factor Arrows
71,607

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, 1607

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 5 x 5 x 5 x 7 x 1,607 = 101,241,000

This can also be written as 23 x 32 x 53 x 71 x 1,6071 = 101,241,000

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


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