Q: What are the prime factors of the number 192,709,132?

 A: 2, 7, 11, 137, 4567

Why are those the prime factors of the number 192,709,132?

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 192,709,132

192,709,132
Factor Arrows
296,354,566
Factor Arrows
248,177,283
Factor Arrows
76,882,469
Factor Arrows
11625,679
Factor Arrows
1374,567

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, 7, 11, 137, 4567

We can check our work by multiplying all of the prime factors together: 2 x 2 x 7 x 11 x 137 x 4,567 = 192,709,132

This can also be written as 22 x 71 x 111 x 1371 x 4,5671 = 192,709,132

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


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