Q: What are the prime factors of the number 75,676,832?

 A: 2, 7, 11, 30713

Why are those the prime factors of the number 75,676,832?

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 75,676,832

75,676,832
Factor Arrows
237,838,416
Factor Arrows
218,919,208
Factor Arrows
29,459,604
Factor Arrows
24,729,802
Factor Arrows
22,364,901
Factor Arrows
7337,843
Factor Arrows
1130,713

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, 11, 30713

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 7 x 11 x 30,713 = 75,676,832

This can also be written as 25 x 71 x 111 x 30,7131 = 75,676,832

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


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