Q: What are the prime factors of the number 32,311,104?

 A: 2, 3, 7, 29, 829

Why are those the prime factors of the number 32,311,104?

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 32,311,104

32,311,104
Factor Arrows
216,155,552
Factor Arrows
28,077,776
Factor Arrows
24,038,888
Factor Arrows
22,019,444
Factor Arrows
21,009,722
Factor Arrows
2504,861
Factor Arrows
3168,287
Factor Arrows
724,041
Factor Arrows
29829

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, 7, 29, 829

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 3 x 7 x 29 x 829 = 32,311,104

This can also be written as 26 x 31 x 71 x 291 x 8291 = 32,311,104

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


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