Q: What are the prime factors of the number 75,660,812?

 A: 2, 17, 19, 157, 373

Why are those the prime factors of the number 75,660,812?

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 75,660,812

75,660,812
Factor Arrows
237,830,406
Factor Arrows
218,915,203
Factor Arrows
171,112,659
Factor Arrows
1958,561
Factor Arrows
157373

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, 17, 19, 157, 373

We can check our work by multiplying all of the prime factors together: 2 x 2 x 17 x 19 x 157 x 373 = 75,660,812

This can also be written as 22 x 171 x 191 x 1571 x 3731 = 75,660,812

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


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