Q: What are the prime factors of the number 104,434,128?

 A: 2, 3, 17, 37, 1153

Why are those the prime factors of the number 104,434,128?

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 104,434,128

104,434,128
Factor Arrows
252,217,064
Factor Arrows
226,108,532
Factor Arrows
213,054,266
Factor Arrows
26,527,133
Factor Arrows
32,175,711
Factor Arrows
3725,237
Factor Arrows
1742,661
Factor Arrows
371,153

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, 17, 37, 1153

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 3 x 3 x 17 x 37 x 1,153 = 104,434,128

This can also be written as 24 x 32 x 171 x 371 x 1,1531 = 104,434,128

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


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