Q: What are the prime factors of the number 25,881,814?

 A: 2, 7, 937, 1973

Why are those the prime factors of the number 25,881,814?

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 25,881,814

25,881,814
Factor Arrows
212,940,907
Factor Arrows
71,848,701
Factor Arrows
9371,973

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, 937, 1973

We can check our work by multiplying all of the prime factors together: 2 x 7 x 937 x 1,973 = 25,881,814

This can also be written as 21 x 71 x 9371 x 1,9731 = 25,881,814

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


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