Q: What are the prime factors of the number 130,192,965?

 A: 3, 5, 7, 179, 2309

Why are those the prime factors of the number 130,192,965?

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 130,192,965

130,192,965
Factor Arrows
343,397,655
Factor Arrows
314,465,885
Factor Arrows
52,893,177
Factor Arrows
7413,311
Factor Arrows
1792,309

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:

3, 5, 7, 179, 2309

We can check our work by multiplying all of the prime factors together: 3 x 3 x 5 x 7 x 179 x 2,309 = 130,192,965

This can also be written as 32 x 51 x 71 x 1791 x 2,3091 = 130,192,965

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


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