Q: What are the prime factors of the number 156,105,160?

 A: 2, 5, 433, 9013

Why are those the prime factors of the number 156,105,160?

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 156,105,160

156,105,160
Factor Arrows
278,052,580
Factor Arrows
239,026,290
Factor Arrows
219,513,145
Factor Arrows
53,902,629
Factor Arrows
4339,013

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, 433, 9013

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 5 x 433 x 9,013 = 156,105,160

This can also be written as 23 x 51 x 4331 x 9,0131 = 156,105,160

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


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