Q: What are the prime factors of the number 7,839,174?

 A: 2, 3, 7, 186647

Why are those the prime factors of the number 7,839,174?

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 7,839,174

7,839,174
Factor Arrows
23,919,587
Factor Arrows
31,306,529
Factor Arrows
7186,647

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, 3, 7, 186647

We can check our work by multiplying all of the prime factors together: 2 x 3 x 7 x 186,647 = 7,839,174

This can also be written as 21 x 31 x 71 x 186,6471 = 7,839,174

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


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