Q: What are the prime factors of the number 41,781,384?

 A: 2, 3, 53, 10949

Why are those the prime factors of the number 41,781,384?

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 41,781,384

41,781,384
Factor Arrows
220,890,692
Factor Arrows
210,445,346
Factor Arrows
25,222,673
Factor Arrows
31,740,891
Factor Arrows
3580,297
Factor Arrows
5310,949

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, 53, 10949

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 3 x 3 x 53 x 10,949 = 41,781,384

This can also be written as 23 x 32 x 531 x 10,9491 = 41,781,384

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


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