Q: What is the prime factorization of the number 60,627,121?

 A:
  • The prime factors are: 179 x 577 x 587
    • or also written as { 179, 577, 587 }
  • Written in exponential form: 1791 x 5771 x 5871

Why is the prime factorization of 60,627,121 written as 1791 x 5771 x 5871?

What is prime factorization?

Prime factorization or prime factor decomposition is the process of finding which prime numbers can be multiplied together to make the original number.

Finding the prime factors of 60,627,121

To find the prime factors, you start by dividing the number by the first prime number, which is 2. If there is not a remainder, meaning you can divide evenly, then 2 is a factor of the number. Continue dividing by 2 until you cannot divide evenly anymore. Write down how many 2's you were able to divide by evenly. Now try dividing by the next prime factor, which is 3. The goal is to get to a quotient of 1.

If it doesn't make sense yet, let's try it...

Here are the first several prime factors: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29...

Let's start by dividing 60,627,121 by 2

60,627,121 ÷ 2 = 30,313,560.5 - This has a remainder. Let's try another prime number.
60,627,121 ÷ 3 = 20,209,040.3333 - This has a remainder. Let's try another prime number.
60,627,121 ÷ 5 = 12,125,424.2 - This has a remainder. Let's try another prime number.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
60,627,121 ÷ 179 = 338,699 - No remainder! 179 is one of the factors!
338,699 ÷ 179 = 1,892.1732 - There is a remainder. We can't divide by 179 evenly anymore. Let's try the next prime number
338,699 ÷ 181 = 1,871.2652 - This has a remainder. 181 is not a factor.
338,699 ÷ 191 = 1,773.2932 - This has a remainder. 191 is not a factor.
338,699 ÷ 193 = 1,754.9171 - This has a remainder. 193 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
338,699 ÷ 577 = 587 - No remainder! 577 is one of the factors!
587 ÷ 577 = 1.0173 - There is a remainder. We can't divide by 577 evenly anymore. Let's try the next prime number
587 ÷ 587 = 1 - No remainder! 587 is one of the factors!

The orange divisor(s) above are the prime factors of the number 60,627,121. If we put all of it together we have the factors 179 x 577 x 587 = 60,627,121. It can also be written in exponential form as 1791 x 5771 x 5871.

Factor Tree

Another way to do prime factorization is to use a factor tree. Below is a factor tree for the number 60,627,121.

60,627,121
Factor Arrows
179338,699
Factor Arrows
577587

More Prime Factorization Examples

60,627,11960,627,12060,627,12260,627,123
71 x 191 x 431 x 10,601124 x 31 x 51 x 1571 x 1,609121 x 3,1191 x 9,719134 x 4491 x 1,6671

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