Q: What are the prime factors of the number 12,195,435?

 A: 3, 5, 7, 19, 6113

Why are those the prime factors of the number 12,195,435?

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 12,195,435

12,195,435
Factor Arrows
34,065,145
Factor Arrows
5813,029
Factor Arrows
7116,147
Factor Arrows
196,113

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, 7, 19, 6113

We can check our work by multiplying all of the prime factors together: 3 x 5 x 7 x 19 x 6,113 = 12,195,435

This can also be written as 31 x 51 x 71 x 191 x 6,1131 = 12,195,435

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


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