Q: What are the prime factors of the number 101,031,021?

 A: 3, 7, 13, 281, 439

Why are those the prime factors of the number 101,031,021?

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 101,031,021

101,031,021
Factor Arrows
333,677,007
Factor Arrows
311,225,669
Factor Arrows
71,603,667
Factor Arrows
13123,359
Factor Arrows
281439

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, 7, 13, 281, 439

We can check our work by multiplying all of the prime factors together: 3 x 3 x 7 x 13 x 281 x 439 = 101,031,021

This can also be written as 32 x 71 x 131 x 2811 x 4391 = 101,031,021

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


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