Q: What are the prime factors of the number 9,798,944?

 A: 2, 139, 2203

Why are those the prime factors of the number 9,798,944?

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 9,798,944

9,798,944
Factor Arrows
24,899,472
Factor Arrows
22,449,736
Factor Arrows
21,224,868
Factor Arrows
2612,434
Factor Arrows
2306,217
Factor Arrows
1392,203

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, 139, 2203

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 139 x 2,203 = 9,798,944

This can also be written as 25 x 1391 x 2,2031 = 9,798,944

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


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