Q: What are the prime factors of the number 75,178,495?

 A: 5, 7, 83, 3697

Why are those the prime factors of the number 75,178,495?

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 75,178,495

75,178,495
Factor Arrows
515,035,699
Factor Arrows
72,147,957
Factor Arrows
7306,851
Factor Arrows
833,697

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:

5, 7, 83, 3697

We can check our work by multiplying all of the prime factors together: 5 x 7 x 7 x 83 x 3,697 = 75,178,495

This can also be written as 51 x 72 x 831 x 3,6971 = 75,178,495

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


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