Q: What are the prime factors of the number 105,041,104?

 A: 2, 7, 133981

Why are those the prime factors of the number 105,041,104?

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 105,041,104

105,041,104
Factor Arrows
252,520,552
Factor Arrows
226,260,276
Factor Arrows
213,130,138
Factor Arrows
26,565,069
Factor Arrows
7937,867
Factor Arrows
7133,981

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, 7, 133981

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 7 x 7 x 133,981 = 105,041,104

This can also be written as 24 x 72 x 133,9811 = 105,041,104

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


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