Q: What are the prime factors of the number 153,263,168?

 A: 2, 23, 104119

Why are those the prime factors of the number 153,263,168?

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 153,263,168

153,263,168
Factor Arrows
276,631,584
Factor Arrows
238,315,792
Factor Arrows
219,157,896
Factor Arrows
29,578,948
Factor Arrows
24,789,474
Factor Arrows
22,394,737
Factor Arrows
23104,119

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, 23, 104119

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 23 x 104,119 = 153,263,168

This can also be written as 26 x 231 x 104,1191 = 153,263,168

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


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