Q: What are the prime factors of the number 36,670,842?

 A: 2, 3, 13, 67, 2339

Why are those the prime factors of the number 36,670,842?

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 36,670,842

36,670,842
Factor Arrows
218,335,421
Factor Arrows
36,111,807
Factor Arrows
32,037,269
Factor Arrows
13156,713
Factor Arrows
672,339

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, 3, 13, 67, 2339

We can check our work by multiplying all of the prime factors together: 2 x 3 x 3 x 13 x 67 x 2,339 = 36,670,842

This can also be written as 21 x 32 x 131 x 671 x 2,3391 = 36,670,842

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


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