Q: What are the prime factors of the number 2,546,642?

 A: 2, 7, 181903

Why are those the prime factors of the number 2,546,642?

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 2,546,642

2,546,642
Factor Arrows
21,273,321
Factor Arrows
7181,903

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, 181903

We can check our work by multiplying all of the prime factors together: 2 x 7 x 181,903 = 2,546,642

This can also be written as 21 x 71 x 181,9031 = 2,546,642

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


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