Q: What are the prime factors of the number 12,742,425?

 A: 3, 5, 56633

Why are those the prime factors of the number 12,742,425?

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 12,742,425

12,742,425
Factor Arrows
34,247,475
Factor Arrows
31,415,825
Factor Arrows
5283,165
Factor Arrows
556,633

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:

3, 5, 56633

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 5 x 56,633 = 12,742,425

This can also be written as 32 x 52 x 56,6331 = 12,742,425

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


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