Q: What are the prime factors of the number 585,621,744?

 A: 2, 3, 31, 103, 3821

Why are those the prime factors of the number 585,621,744?

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 585,621,744

585,621,744
Factor Arrows
2292,810,872
Factor Arrows
2146,405,436
Factor Arrows
273,202,718
Factor Arrows
236,601,359
Factor Arrows
312,200,453
Factor Arrows
31393,563
Factor Arrows
1033,821

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, 31, 103, 3821

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 31 x 103 x 3,821 = 585,621,744

This can also be written as 24 x 31 x 311 x 1031 x 3,8211 = 585,621,744

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


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