Q: What are the prime factors of the number 40,363,636?

 A: 2, 89, 113381

Why are those the prime factors of the number 40,363,636?

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 40,363,636

40,363,636
Factor Arrows
220,181,818
Factor Arrows
210,090,909
Factor Arrows
89113,381

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, 89, 113381

We can check our work by multiplying all of the prime factors together: 2 x 2 x 89 x 113,381 = 40,363,636

This can also be written as 22 x 891 x 113,3811 = 40,363,636

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


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