Q: What are the prime factors of the number 72,414,661?

 A: 11, 37, 181, 983

Why are those the prime factors of the number 72,414,661?

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 72,414,661

72,414,661
Factor Arrows
116,583,151
Factor Arrows
37177,923
Factor Arrows
181983

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:

11, 37, 181, 983

We can check our work by multiplying all of the prime factors together: 11 x 37 x 181 x 983 = 72,414,661

This can also be written as 111 x 371 x 1811 x 9831 = 72,414,661

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


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