Q: What are the prime factors of the number 77,552,174?

 A: 2, 7, 1667, 3323

Why are those the prime factors of the number 77,552,174?

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 77,552,174

77,552,174
Factor Arrows
238,776,087
Factor Arrows
75,539,441
Factor Arrows
1,6673,323

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, 1667, 3323

We can check our work by multiplying all of the prime factors together: 2 x 7 x 1,667 x 3,323 = 77,552,174

This can also be written as 21 x 71 x 1,6671 x 3,3231 = 77,552,174

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


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