Q: What are the prime factors of the number 30,516,541?

 A: 11, 43, 149, 433

Why are those the prime factors of the number 30,516,541?

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 30,516,541

30,516,541
Factor Arrows
112,774,231
Factor Arrows
4364,517
Factor Arrows
149433

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:

11, 43, 149, 433

We can check our work by multiplying all of the prime factors together: 11 x 43 x 149 x 433 = 30,516,541

This can also be written as 111 x 431 x 1491 x 4331 = 30,516,541

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


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