Q: What are the prime factors of the number 36,738,009?

 A: 3, 7, 11, 41, 431

Why are those the prime factors of the number 36,738,009?

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 36,738,009

36,738,009
Factor Arrows
312,246,003
Factor Arrows
34,082,001
Factor Arrows
31,360,667
Factor Arrows
7194,381
Factor Arrows
1117,671
Factor Arrows
41431

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, 7, 11, 41, 431

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 7 x 11 x 41 x 431 = 36,738,009

This can also be written as 33 x 71 x 111 x 411 x 4311 = 36,738,009

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


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