Q: What are the prime factors of the number 40,838,736?

 A: 2, 3, 850807

Why are those the prime factors of the number 40,838,736?

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 40,838,736

40,838,736
Factor Arrows
220,419,368
Factor Arrows
210,209,684
Factor Arrows
25,104,842
Factor Arrows
22,552,421
Factor Arrows
3850,807

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, 850807

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 850,807 = 40,838,736

This can also be written as 24 x 31 x 850,8071 = 40,838,736

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


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