Q: What are the prime factors of the number 40,213,744?

 A: 2, 359, 7001

Why are those the prime factors of the number 40,213,744?

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 40,213,744

40,213,744
Factor Arrows
220,106,872
Factor Arrows
210,053,436
Factor Arrows
25,026,718
Factor Arrows
22,513,359
Factor Arrows
3597,001

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, 359, 7001

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 359 x 7,001 = 40,213,744

This can also be written as 24 x 3591 x 7,0011 = 40,213,744

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


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