Q: What are the prime factors of the number 105,007,824?

 A: 2, 3, 751, 971

Why are those the prime factors of the number 105,007,824?

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 105,007,824

105,007,824
Factor Arrows
252,503,912
Factor Arrows
226,251,956
Factor Arrows
213,125,978
Factor Arrows
26,562,989
Factor Arrows
32,187,663
Factor Arrows
3729,221
Factor Arrows
751971

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, 751, 971

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 751 x 971 = 105,007,824

This can also be written as 24 x 32 x 7511 x 9711 = 105,007,824

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


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