Q: What are the prime factors of the number 40,186,112?

 A: 2, 29, 5413

Why are those the prime factors of the number 40,186,112?

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 40,186,112

40,186,112
Factor Arrows
220,093,056
Factor Arrows
210,046,528
Factor Arrows
25,023,264
Factor Arrows
22,511,632
Factor Arrows
21,255,816
Factor Arrows
2627,908
Factor Arrows
2313,954
Factor Arrows
2156,977
Factor Arrows
295,413

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, 29, 5413

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2 x 29 x 5,413 = 40,186,112

This can also be written as 28 x 291 x 5,4131 = 40,186,112

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


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