Q: What are the prime factors of the number 106,550,144?

 A: 2, 41, 79, 257

Why are those the prime factors of the number 106,550,144?

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 106,550,144

106,550,144
Factor Arrows
253,275,072
Factor Arrows
226,637,536
Factor Arrows
213,318,768
Factor Arrows
26,659,384
Factor Arrows
23,329,692
Factor Arrows
21,664,846
Factor Arrows
2832,423
Factor Arrows
4120,303
Factor Arrows
79257

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, 41, 79, 257

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 41 x 79 x 257 = 106,550,144

This can also be written as 27 x 411 x 791 x 2571 = 106,550,144

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


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