Q: What are the prime factors of the number 130,021,152?

 A: 2, 3, 29, 46703

Why are those the prime factors of the number 130,021,152?

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 130,021,152

130,021,152
Factor Arrows
265,010,576
Factor Arrows
232,505,288
Factor Arrows
216,252,644
Factor Arrows
28,126,322
Factor Arrows
24,063,161
Factor Arrows
31,354,387
Factor Arrows
2946,703

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, 3, 29, 46703

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 3 x 29 x 46,703 = 130,021,152

This can also be written as 25 x 31 x 291 x 46,7031 = 130,021,152

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


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