Q: What are the prime factors of the number 5,141,916?

 A: 2, 3, 13, 10987

Why are those the prime factors of the number 5,141,916?

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 5,141,916

5,141,916
Factor Arrows
22,570,958
Factor Arrows
21,285,479
Factor Arrows
3428,493
Factor Arrows
3142,831
Factor Arrows
1310,987

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, 13, 10987

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 13 x 10,987 = 5,141,916

This can also be written as 22 x 32 x 131 x 10,9871 = 5,141,916

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


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