Q: What are the prime factors of the number 12,578,335?

 A: 5, 7, 11, 37, 883

Why are those the prime factors of the number 12,578,335?

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 12,578,335

12,578,335
Factor Arrows
52,515,667
Factor Arrows
7359,381
Factor Arrows
1132,671
Factor Arrows
37883

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:

5, 7, 11, 37, 883

We can check our work by multiplying all of the prime factors together: 5 x 7 x 11 x 37 x 883 = 12,578,335

This can also be written as 51 x 71 x 111 x 371 x 8831 = 12,578,335

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


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