Q: What are the prime factors of the number 76,740,075?

 A: 3, 5, 23, 4943

Why are those the prime factors of the number 76,740,075?

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 76,740,075

76,740,075
Factor Arrows
325,580,025
Factor Arrows
38,526,675
Factor Arrows
32,842,225
Factor Arrows
5568,445
Factor Arrows
5113,689
Factor Arrows
234,943

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:

3, 5, 23, 4943

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 5 x 5 x 23 x 4,943 = 76,740,075

This can also be written as 33 x 52 x 231 x 4,9431 = 76,740,075

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


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