Q: What are the prime factors of the number 4,061,616?

 A: 2, 3, 13, 23, 283

Why are those the prime factors of the number 4,061,616?

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 4,061,616

4,061,616
Factor Arrows
22,030,808
Factor Arrows
21,015,404
Factor Arrows
2507,702
Factor Arrows
2253,851
Factor Arrows
384,617
Factor Arrows
136,509
Factor Arrows
23283

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, 23, 283

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 13 x 23 x 283 = 4,061,616

This can also be written as 24 x 31 x 131 x 231 x 2831 = 4,061,616

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


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