Q: What are the prime factors of the number 104,071,990?

 A: 2, 5, 11, 946109

Why are those the prime factors of the number 104,071,990?

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 104,071,990

104,071,990
Factor Arrows
252,035,995
Factor Arrows
510,407,199
Factor Arrows
11946,109

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, 5, 11, 946109

We can check our work by multiplying all of the prime factors together: 2 x 5 x 11 x 946,109 = 104,071,990

This can also be written as 21 x 51 x 111 x 946,1091 = 104,071,990

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


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