Q: What are the prime factors of the number 75,316,648?

 A: 2, 11, 191, 4481

Why are those the prime factors of the number 75,316,648?

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 75,316,648

75,316,648
Factor Arrows
237,658,324
Factor Arrows
218,829,162
Factor Arrows
29,414,581
Factor Arrows
11855,871
Factor Arrows
1914,481

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, 11, 191, 4481

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 11 x 191 x 4,481 = 75,316,648

This can also be written as 23 x 111 x 1911 x 4,4811 = 75,316,648

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


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