Q: What is the prime factorization of the number 62,550,262?

 A:
  • The prime factors are: 2 x 67 x 577 x 809
    • or also written as { 2, 67, 577, 809 }
  • Written in exponential form: 21 x 671 x 5771 x 8091

Why is the prime factorization of 62,550,262 written as 21 x 671 x 5771 x 8091?

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 62,550,262

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 62,550,262 by 2

62,550,262 ÷ 2 = 31,275,131 - No remainder! 2 is one of the factors!
31,275,131 ÷ 2 = 15,637,565.5 - There is a remainder. We can't divide by 2 evenly anymore. Let's try the next prime number
31,275,131 ÷ 3 = 10,425,043.6667 - This has a remainder. 3 is not a factor.
31,275,131 ÷ 5 = 6,255,026.2 - This has a remainder. 5 is not a factor.
31,275,131 ÷ 7 = 4,467,875.8571 - This has a remainder. 7 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
31,275,131 ÷ 67 = 466,793 - No remainder! 67 is one of the factors!
466,793 ÷ 67 = 6,967.0597 - There is a remainder. We can't divide by 67 evenly anymore. Let's try the next prime number
466,793 ÷ 71 = 6,574.5493 - This has a remainder. 71 is not a factor.
466,793 ÷ 73 = 6,394.4247 - This has a remainder. 73 is not a factor.
466,793 ÷ 79 = 5,908.7722 - This has a remainder. 79 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
466,793 ÷ 577 = 809 - No remainder! 577 is one of the factors!
809 ÷ 577 = 1.4021 - There is a remainder. We can't divide by 577 evenly anymore. Let's try the next prime number
809 ÷ 587 = 1.3782 - This has a remainder. 587 is not a factor.
809 ÷ 593 = 1.3642 - This has a remainder. 593 is not a factor.
809 ÷ 599 = 1.3506 - This has a remainder. 599 is not a factor.
...
Keep trying increasingly larger numbers until you find one that divides evenly.
...
809 ÷ 809 = 1 - No remainder! 809 is one of the factors!

The orange divisor(s) above are the prime factors of the number 62,550,262. If we put all of it together we have the factors 2 x 67 x 577 x 809 = 62,550,262. It can also be written in exponential form as 21 x 671 x 5771 x 8091.

Factor Tree

Another way to do prime factorization is to use a factor tree. Below is a factor tree for the number 62,550,262.

62,550,262
Factor Arrows
231,275,131
Factor Arrows
67466,793
Factor Arrows
577809

More Prime Factorization Examples

62,550,26062,550,26162,550,26362,550,264
22 x 51 x 3,127,513132 x 191 x 365,791162,550,263123 x 31 x 72 x 53,1891

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