Q: What are the prime factors of the number 30,083,144?

 A: 2, 7, 13, 31, 43

Why are those the prime factors of the number 30,083,144?

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 30,083,144

30,083,144
Factor Arrows
215,041,572
Factor Arrows
27,520,786
Factor Arrows
23,760,393
Factor Arrows
7537,199
Factor Arrows
1341,323
Factor Arrows
311,333
Factor Arrows
3143

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, 7, 13, 31, 43

We can check our work by multiplying all of the prime factors together: 2 x 2 x 2 x 7 x 13 x 31 x 31 x 43 = 30,083,144

This can also be written as 23 x 71 x 131 x 312 x 431 = 30,083,144

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


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