Q: What are the prime factors of the number 41,022,072?

 A: 2, 3, 7, 13, 2087

Why are those the prime factors of the number 41,022,072?

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 41,022,072

41,022,072
Factor Arrows
220,511,036
Factor Arrows
210,255,518
Factor Arrows
25,127,759
Factor Arrows
31,709,253
Factor Arrows
3569,751
Factor Arrows
3189,917
Factor Arrows
727,131
Factor Arrows
132,087

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, 7, 13, 2087

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 3 x 7 x 13 x 2,087 = 41,022,072

This can also be written as 23 x 33 x 71 x 131 x 2,0871 = 41,022,072

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


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