Q: What are the prime factors of the number 9,781,932?

 A: 2, 3, 29, 28109

Why are those the prime factors of the number 9,781,932?

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 9,781,932

9,781,932
Factor Arrows
24,890,966
Factor Arrows
22,445,483
Factor Arrows
3815,161
Factor Arrows
2928,109

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, 29, 28109

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 29 x 28,109 = 9,781,932

This can also be written as 22 x 31 x 291 x 28,1091 = 9,781,932

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


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