Q: What are the prime factors of the number 165,026,120?

 A: 2, 5, 7, 269, 313

Why are those the prime factors of the number 165,026,120?

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 165,026,120

165,026,120
Factor Arrows
282,513,060
Factor Arrows
241,256,530
Factor Arrows
220,628,265
Factor Arrows
54,125,653
Factor Arrows
7589,379
Factor Arrows
784,197
Factor Arrows
269313

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, 5, 7, 269, 313

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 7 x 7 x 269 x 313 = 165,026,120

This can also be written as 23 x 51 x 72 x 2691 x 3131 = 165,026,120

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


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