Q: What are the prime factors of the number 105,141,999?

 A: 3, 41, 149, 5737

Why are those the prime factors of the number 105,141,999?

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 105,141,999

105,141,999
Factor Arrows
335,047,333
Factor Arrows
41854,813
Factor Arrows
1495,737

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:

3, 41, 149, 5737

We can check our work by multiplying all of the prime factors together: 3 x 41 x 149 x 5,737 = 105,141,999

This can also be written as 31 x 411 x 1491 x 5,7371 = 105,141,999

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


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