Q: What are the prime factors of the number 73,765,874?

 A: 2, 7, 13, 57901

Why are those the prime factors of the number 73,765,874?

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 73,765,874

73,765,874
Factor Arrows
236,882,937
Factor Arrows
75,268,991
Factor Arrows
7752,713
Factor Arrows
1357,901

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, 13, 57901

We can check our work by multiplying all of the prime factors together: 2 x 7 x 7 x 13 x 57,901 = 73,765,874

This can also be written as 21 x 72 x 131 x 57,9011 = 73,765,874

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


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