Q: What are the prime factors of the number 102,021,012?

 A: 2, 3, 17, 181, 307

Why are those the prime factors of the number 102,021,012?

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 102,021,012

102,021,012
Factor Arrows
251,010,506
Factor Arrows
225,505,253
Factor Arrows
38,501,751
Factor Arrows
32,833,917
Factor Arrows
3944,639
Factor Arrows
1755,567
Factor Arrows
181307

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, 17, 181, 307

We can check our work by multiplying all of the prime factors together: 2 x 2 x 3 x 3 x 3 x 17 x 181 x 307 = 102,021,012

This can also be written as 22 x 33 x 171 x 1811 x 3071 = 102,021,012

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


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