Q: What are the prime factors of the number 199,393,024?

 A: 2, 778879

Why are those the prime factors of the number 199,393,024?

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 199,393,024

199,393,024
Factor Arrows
299,696,512
Factor Arrows
249,848,256
Factor Arrows
224,924,128
Factor Arrows
212,462,064
Factor Arrows
26,231,032
Factor Arrows
23,115,516
Factor Arrows
21,557,758
Factor Arrows
2778,879

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, 778879

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 778,879 = 199,393,024

This can also be written as 28 x 778,8791 = 199,393,024

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


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