Q: What are the prime factors of the number 30,002,112?

 A: 2, 3, 7, 1063

Why are those the prime factors of the number 30,002,112?

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 30,002,112

30,002,112
Factor Arrows
215,001,056
Factor Arrows
27,500,528
Factor Arrows
23,750,264
Factor Arrows
21,875,132
Factor Arrows
2937,566
Factor Arrows
2468,783
Factor Arrows
3156,261
Factor Arrows
352,087
Factor Arrows
77,441
Factor Arrows
71,063

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, 7, 1063

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 2 x 2 x 2 x 3 x 3 x 7 x 7 x 1,063 = 30,002,112

This can also be written as 26 x 32 x 72 x 1,0631 = 30,002,112

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


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